In one line
Definition
Key words in the Arabic
Understand it
Arabic has words that mean many while being shaped like one. They are not broken plurals, and they do not carry the sound-plural endings. There are two kinds, and they are easy to confuse.
The two collectives
| Singular? | ||
|---|---|---|
| Ism al-jam' | قَوْم · رَهْط · جَيْش | none from the same root |
| Ism al-jins al-jam'i | شَجَر · تَمْر · نَحْل | add a ة — شَجَرَة, تَمْرَة, نَحْلَة |
Both are singular in shape, and that is what decides the agreement you will see around them.
اِسْم الجَمْع has no singular from its own root. قَوْم means a people; there is no قَوْمَة. اِسْم الجِنْس الجَمْعِيّ does have one, and you make it by adding a ة: شَجَر is trees, شَجَرَة is a tree; تَمْر is dates, تَمْرَة is one date.
Why it matters when you read. Both are singular in form, so agreement usually follows the singular — and the Quran uses that freedom deliberately, sometimes agreeing with the form and sometimes with the meaning.
How to spot it
In the Qur'an
Forms it takes
Don't confuse it with
Do not read these as broken plurals. A broken plural is a plural — رِجَال is the plural of رَجُل. A collective noun is a singular word for a group, which is why it can take singular agreement.
The test is the ة. If adding one gives you the single item — شَجَر → شَجَرَة — it is اِسْم الجِنْس الجَمْعِيّ. If nothing gives you a singular of that root — قَوْم — it is اِسْم الجَمْع.
Related terms
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From the free course The Language of Quran — Easier than English (Book One) (LoQ1), taught by Ustadh Muhammad Arjan Ali.
Common questions
Is a collective noun the same as a broken plural?
No. A broken plural is the plural of a singular that exists in the same form. A collective is a singular word for a group — either it has no singular of its own shape at all, or its singular is made by adding a ta' to it.
Next in the guideصِيغَة مُنْتَهَى الْجُمُوعWhat is the ultimate-plural pattern (sighat muntaha al-jumu')? →Updated