One of the most fascinating aspects of the Arabic language is that words are rarely isolated. Unlike many languages in which vocabulary can appear arbitrary, Arabic is built upon roots, patterns, and deep networks of meaning. The more one studies these networks, the more one begins to suspect that words are not merely related by convention, but by an underlying semantic logic.

Most students are familiar with the idea of a triliteral root. We learn that words such as ʿilm (knowledge), ʿālim (scholar), taʿlīm (teaching), and maʿlūm (known) all derive from the root ع-ل-م. This is the well-known science of lesser derivation (al-Ishtiqāq al-Ṣaghīr). Yet the classical linguists explored a deeper question: what happens when the same root letters are rearranged?

Consider the roots ع-ل-م (knowledge) and ع-م-ل (action). At first glance, these seem unrelated. One concerns knowing, the other doing. Yet knowledge naturally precedes action, and action is often the manifestation of knowledge. Both revolve around engaging with reality in a meaningful way. Is this merely coincidence, or does the shared collection of letters point to a deeper relationship?

This question led some of the great scholars of Arabic, such as Ibn Jinnī, to investigate what they called al-Ishtiqāq al-Kabīr (the Greater Derivation), the study of roots formed from the same letters in different arrangements. Their claim was not that all such roots are identical in meaning, but that they often revolve around a common conceptual centre. Each arrangement views that centre from a different angle.

Alongside this, some scholars observed that individual letters themselves appear to carry recurring semantic tendencies. For example, many roots beginning with غ (ghayn) seem connected to notions of covering, concealment, obscurity, or being overshadowed. Words such as ghayb (the unseen), ghaflah (heedlessness), ghamm (distress), and ghurfah (an enclosed room) all invite reflection upon this pattern. They called this science معاني الحروف (the meanings of letters).

Whether these relationships are accepted as linguistic principles, insightful observations, or simply fruitful avenues for contemplation, they open a window into the extraordinary interconnectedness of the Arabic language. What appears at first to be a collection of separate words may, upon closer examination, reveal itself to be a family whose members have been quietly related all along.

Ishtiqāq Ṣaghīr: The Foundations of Arabic Word Formation

Most Arabic words are built upon a root (jidhr), usually consisting of three consonants. These root letters form a core semantic idea. From that core idea, numerous related words are generated through established patterns. This process is known as al-Ishtiqāq al-Ṣaghīr (the Lesser Derivation).

Consider the root:

ع ل م

This root carries the fundamental meaning of knowledge and recognition. From these three letters emerge many familiar words:

• عِلْم (knowledge)
• عَالِم (scholar (the ones who knows))
• مَعْلُوم (something known)
• تَعْلِيم (teaching)
• تَعَلُّم (learning)
• عَلَّمَ (he taught)

Although these words differ in form and function, the central idea remains recognisable throughout them all. Each word is a different expression of the same root meaning. A useful analogy is that of a tree. The root letters are the trunk, whilst the various derived forms are its branches. The branches may grow in different directions, but they all draw nourishment from the same source.

Another example from the root;

ك ت ب

This root carries the fundamental meaning of writing. We derive;

• كِتَاب (book)
• كَاتِب (writer)
• مَكْتَب (office or desk)
• مَكْتُوب (written)
• كِتَابَة (writing)

Likewise, from the root:

س ل م

This root carries the fundamental meaning of being safe and sound. We derive;

• سَلَام (peace)
• إِسْلَام (submission)
• مُسْلِم (one who submits)
• تَسْلِيم (surrendering or delivering)
• سَالِم (safe and unharmed)

This process of generating related words from a single root is one of the defining characteristics of Arabic. It allows the language to maintain a remarkable balance between richness and coherence. A student who understands the root often gains insight into dozens of related words.

Yet the classical linguists did not stop here.

Having observed that words sharing the same root are related in meaning, some scholars asked a more ambitious question:

What if the same letters are rearranged into an entirely different root? Might a relationship still remain?

It is this question that led to what later became known as al-Ishtiqāq al-Kabīr, the Greater Derivation.

What is Ishtiqāq Kabīr?

According to a number of classical linguists, most famously Ibn Jinnī, the resulting roots often preserve traces of a common underlying idea. The meaning may shift, expand, or appear in a different form, but a conceptual relationship can still remain.

This does not mean that every possible permutation of three letters will yield related meanings. Nor is every example equally convincing. Nevertheless, there are many instances where the relationship is difficult to ignore.

The following examples invite reflection on this phenomenon.

Yes. In fact, the most interesting examples are not pairs but entire root families where all six permutations (or most of them) exist and seem to revolve around a common idea.

These are much stronger for a blog because they show that we’re not dealing with an isolated coincidence.

1. ع ل م Family

Root	Meaning
علم	knowledge
عمل	action
لمع	to shine, become apparent
ملع	fullness, extension
لعم	swallowing, ingestion

These roots revolve around the manifestation of an inner reality:

• Knowledge grasps reality.
• Action manifests reality.
• Shining makes something apparent.
• Fullness completes what is within.

Not every member is equally strong, but the cluster is intriguing.

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2. ك ل م Family

Root	Meaning
كلم	speech, word, wound
ملك	possession, mastery
كمل	completion, perfection
لكم	striking with the fist
لمك	adhesion, sticking (rare)

These roots revolve around impact, effect, and bringing something into a state:

• Speech affects.
• A wound affects.
• Authority affects.
• A punch affects.

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3. ح م د Family

Root	Meaning
حمد	praise
مدح	praise, commendation
دمح	to erase, efface
محد	boundary, edge (less common)

These roots revolve around making something prominent or drawing attention to it.

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4. ج ب ر Family

Root	Meaning
جبر	restore, strengthen
برج	tower, prominence
رجب	reverence, magnification
بجر	swelling or protrusion

These roots revolve around elevation, prominence, or strengthening:

• A tower rises.
• Reverence elevates.
• Restoration strengthens.
• A swelling protrudes.

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5. غ ف ل Family

Root	Meaning
غفل	heedlessness
فلغ	splitting, cleaving
لغف	eagerness, attachment

These roots revolve around covering, obscuring, or overwhelming perception.:

The Semantic Energies of All 28 Arabic Letters

If the scholars of Ishtiqāq Kabīr noticed that roots formed from the same collection of letters often share a conceptual relationship, some later scholars asked an even more fundamental question:

What if the letters themselves contribute something to meaning?

This approach moves beneath the level of the root and examines the letters from which roots are formed. Scholars who explored this area observed that certain letters appear repeatedly in roots belonging to similar semantic fields.

The claim is not that a single letter determines the meaning of a word. Rather, the suggestion is that letters may contribute a semantic colouring which combines with the other letters in the root to produce a particular meaning.

أ — Alif

Colour: Elevation, straightness, beginnings, singularity

Examples: أَمَرَ (amara) – to command, أَسَّسَ (assasa) – to establish, أَمِنَ (amina) – to be secure, أَذِنَ (adhina) – to permit, أَخَذَ (akhadha), – to take

ب — Bā’

Colour: Containment, housing, grounding

Examples: بَيْت (bayt) – house, بَطَنَ (batana) – to be inward, hidden, بَقِيَ (baqiya) – to remain, بَذَرَ (badhara) – to sow, بَحَرَ (bahara) – sea, vast expanse

ت — Tā’

Colour: Precision, structuring, marking, formation

Examples: تَبِعَ (tabiʿa) – to follow, تَمَّ (tamma) – to be complete, تَرَكَ (taraka) – to leave, تَابَ (tāba) – to repent, return, تَعِبَ (taʿiba) – to become weary

ث — Thā’

Colour: Scattering of small units, diffusion, multiplicity

Examples: ثَرَى (tharā) – moist earth, fine soil, ثَمَرَ (thamara) – to bear fruit, ثَرْوَة (tharwah) – abundance, wealth, ثَغَرَ (thaghara) – to open a gap or breach, ثَنَى (thanā) – to fold, double, repeat

ج — Jīm

Colour: Gathering, collecting, enclosing

Examples: جَمَعَ (jamaʿa) – to gather, جَنَّ (janna) – to cover, conceal, جَرَى (jarā) – to flow, جَبَلَ (jabala) – to form, mould, جَلَسَ (jalasa) – to sit, settle

ح — Ḥā’

Colour: Life, breath, openness, vitality

Examples: حَيِيَ (ḥayiya) – to live, حَرَكَ (ḥaraka) – to move, حَمَلَ (ḥamala) – to carry, حَنَّ (ḥanna) – to yearn, long for, حَفِظَ (ḥafiẓa) – to preserve

خ — Khā’

Colour: Outwardness, roughness, emergence, exposure

Examples: خَرَجَ (kharaja) – to come out, خَلَعَ (khalaʿa) – to remove, strip away, خَرَقَ (kharaqa) – to pierce, خَسِرَ (khasira) – to lose, خَلَا (khalā) – to become empty

د — Dāl

Colour: Indication, direction, guidance

Examples: دَلَّ (dalla) – to guide, indicate, دَعَا (daʿā) – to call, دَرَى (darā) – to know, become aware, دَفَعَ (dafaʿa) – to push, direct away, دَخَلَ (dakhala) – to enter

ذ — Dhāl

Colour: Gentle indication, subtle direction, reminder

Examples: ذَكَرَ (dhakara) – to remember, mention, ذَهَبَ (dhahaba) – to go away, ذَاقَ (dhāqa) – to taste, ذَرَأَ (dhara’a) – to create, bring forth, ذَلَّ (dhalla) – to become humbled

ر — Rā’

Colour: Movement, flow, vibration, continuity

Examples: رَكِبَ (rakiba) – to ride, رَجَعَ (rajaʿa) – to return, رَحَلَ (raḥala) – to journey, رَمَى (ramā) – to throw, رَفَعَ (rafaʿa) – to raise

ز — Zāy

Colour: Growth, increase, augmentation

Examples: زَادَ (zāda) – to increase, زَكَا (zakā) – to grow, become pure, زَرَعَ (zaraʿa) – to plant, زَهَا (zahā) – to flourish, زَيَّنَ (zayyana) – to adorn, beautify

س — Sīn

Colour: Smoothness, ease, flow, gentle motion

Examples: سَارَ (sāra) – to travel, move along, سَبَحَ (sabaḥa) – to swim, glide, سَلِمَ (salima) – to be safe, سَكَنَ (sakana) – to become still, settled, سَهُلَ (sahula) – to be easy

ش — Shīn

Colour: Spreading, branching, manifestation, dispersion

Examples: شَجَرَ (shajara) – to branch, tree, شَرَحَ (sharaḥa) – to explain, open up, شَمَسَ (shamasa) – to become prominent, stand out, شَاعَ (shāʿa) – to spread, become widespread, شَتَّ (shatta) – to become scattered

ص — Ṣād

Colour: Strength, firmness, solidity, constricted power

Examples: صَبَرَ (ṣabara) – to be patient, remain steadfast, صَدَقَ (ṣadaqa) – to be truthful, صَلُبَ (ṣaluba) – to be hard, firm, صَانَ (ṣāna) – to protect, preserve, صَمَدَ (ṣamada) – to be steadfast, self-sufficient

ض — Ḍād

Colour: Intense pressure, force, compression, adversity

Examples: ضَرَبَ (ḍaraba) – to strike, ضَاقَ (ḍāqa) – to become constricted, narrow, ضَمَّ (ḍamma) – to join, press together, ضَغَطَ (ḍaghaṭa) – to press, apply pressure, ضَرَّ (ḍarra) – to harm, cause distress

ط — Ṭā’

Colour: Loftiness, weight, powerful elevation

Examples: طَالَ (ṭāla) – to become long, elevated, طَهُرَ (ṭahura) – to be pure, طَغَى (ṭaghā) – to exceed bounds, rise beyond limits, طَمِعَ (ṭamiʿa) – to aspire, desire intensely, طَوَى (ṭawā) – to fold, encompass

ظ — Ẓā’

Colour: Dominance, manifestation, overpowering presence

Examples: ظَهَرَ (ẓahara) – to become apparent, manifest, ظَلَمَ (ẓalama) – to wrong, put something out of its proper place, ظَنَّ (ẓanna) – to suppose, hold a dominant impression, ظَلَّ (ẓalla) – to remain under shade, ظَفِرَ (ẓafira) – to attain victory, prevail

ع — ʿAyn

Colour: Depth, inwardness, essence, inner reality

Examples: عَلِمَ (ʿalima) – to know, عَقَلَ (ʿaqala) – to understand, reason, عَمِلَ (ʿamila) – to act, perform, عَمَرَ (ʿamara) – to build, populate, enliven, عُنِيَ (ʿuniya) – to be concerned with, care for

غ — Ghayn

Colour: Covering, concealment, obscurity, overshadowing

Examples: غَابَ (ghāba) – to be absent, hidden, غَفَلَ (ghafala) – to be heedless, غَمَّ (ghamma) – to distress, overshadow with sorrow, غَضِبَ (ghaḍiba) – to become angry, غَسَلَ (ghasala) – to wash, cover with water

ف — Fā’

Colour: Opening, separation, unfolding, release

Examples: فَتَحَ (fataḥa) – to open, فَصَلَ (faṣala) – to separate, فَجَرَ (fajara) – to burst forth, فَرَّقَ (farraqa) – to divide, فَاضَ (fāḍa) – to overflow

ق — Qāf

Colour: Power, intensity, elevation, mastery

Examples: قَدَرَ (qadara) – to determine, have power over, قَهَرَ (qahara) – to overpower, قَوِيَ (qawiya) – to be strong, قَامَ (qāma) – to stand upright, قَرُبَ (qaruba) – to come near, draw close

ك — Kāf

Colour: Formation, resemblance, shaping

Examples: كَوَّنَ (kawwana) – to form, create, كَمُلَ (kamula) – to become complete, كَسَبَ (kasaba) – to acquire, كَفَى (kafā) – to suffice, كَبُرَ (kabura) – to become great

ل — Lām

Colour: Connection, attachment, adherence

Examples: لَزِمَ (lazima) – to adhere, remain attached, لَحِقَ (laḥiqa) – to catch up, join, لَمَسَ (lamasa) – to touch, لَفَّ (laffa) – to wrap around, لَبِثَ (labitha) – to remain, stay

Of these, غ and ل are often among the most compelling. With غ, many roots relate to concealment, covering, or obscuring. With ل, the ideas of attachment, contact, remaining, joining, and wrapping all seem to reflect a common theme of connection.

م — Mīm

Colour: Enclosure, containment, surrounding, nurturing

Examples: مَلَكَ (malaka) – to possess, own, مَكَثَ (makatha) – to remain, stay, مَنَعَ (manaʿa) – to prevent, protect, مَالَ (māla) – to incline, lean toward, مَدَّ (madda) – to extend, stretch

ن — Nūn

Colour: Definition, distinction, emergence, marking

Examples: نَظَرَ (naẓara) – to look, observe, نَبَأَ (naba’a) – to inform, give news, نَمَا (namā) – to grow, نَجَا (najā) – to be saved, emerge safely, نَوَّهَ (nawwaha) – to make known, bring attention to

ه — Hā’

Colour: Breath, subtle presence, lightness, gentle existence

Examples: هَدَى (hadā) – to guide, هَبَّ (habba) – to blow, stir (as wind), هَمَّ (hamma) – to intend, be concerned, هَجَرَ (hajara) – to leave, depart, هَدَأَ (hada’a) – to become calm

و — Wāw

Colour: Joining, continuity, connection, extension

Examples: وَصَلَ (waṣala) – to connect, join, وَقَى (waqā) – to protect, preserve, وَجَدَ (wajada) – to find, وَفَى (wafā) – to fulfil, complete, وَعَدَ (waʿada) – to promise

ي — Yā’

Colour: Extension, reaching, seeking, direction

Examples: يَسَرَ (yasara) – to become easy, يَقِنَ (yaqina) – to become certain, يَمَّمَ (yammama) – to direct oneself towards, يَبِسَ (yabisa) – to become dry, يَنَعَ (yanaʿa) – to ripen, mature