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Tamyiz

Summary: Tamyiz (تمييز) is a specifying noun used to clarify what is being counted or measured.


What is Tamyiz?

A tamyiz (تمييز) is a noun that removes ambiguity by specifying the meaning of what comes before it. In simple terms, it answers the question: "of what?"


Two Fixed Properties

A tamyīz is always:

  • Singular (مُفرَد) — never plural in form
  • Manṣūb (نَكِرَة مَنصُوبَة) — an indefinite noun in the accusative

It can occur after numbers, but also after comparatives and other constructions where ambiguity needs resolving — e.g. "I am bigger than you" is ambiguous until a tamyīz specifies in what way ("in age," "in height," etc.).


Tamyiz Across All Number Ranges (Complete — Surah Yusuf Session 6)

The form of the tamyīz word itself is always singular and manṣūb — but what counts as the maʿdūd's plurality and case shifts by number range:

Number Range Maʿdūd Form Maʿdūd Case Example
1–2 No separate tamyīz — the number is a صِفَة describing the maʿdūd — كِتَابٌ وَاحِدٌ
3–10 Plural Majrūr سَبْعَ لَيَالٍ وَثَمَانِيَةَ أَيَّامٍ — seven nights and eight days
11–19 (compound numbers) Singular Manṣūb أَحَدَ عَشَرَ كَوكَبًا — eleven heavenly bodies
20–90 (العُقُود) Singular Manṣūb تِسْعَةً وَتِسعِينَ نَعجَةً — ninety-nine ewes
100, 1000 Singular Majrūr مِائَةَ شَاةٍ — a hundred ewes

99 Ewes — A Subtle Trap

In تِسْعَةً وَتِسعِينَ نَعجَةً, نَعجَةً is manṣūb because it is tamyīz of تِسعِينَ (the tens/ʿuqūd part) — not of تِسْعَةً (which alone, per the 3–10 rule, would call for a plural majrūr tamyīz). When units and tens are joined by وَ, the tens govern the tamyīz.

Singular Tamyīz, Plural English Translation

اثْنَا عَشَرَ شَهْرًا — "twelve months" — شَهْرًا is singular in Arabic though the English gloss uses a plural; this is the regular behaviour for compound numbers 11–19.

For 1 and 2, see Arabic Numbers — the number itself functions as an adjective (صِفَة) describing the counted noun, with no separate tamyīz word required.


From Surah Yusuf Session 11 — Tamyīz After اِسم التَّفضِيل

Better — In What?

You are better than me leaves open in what. The tamyīz after اِسم التَّفضِيل specifies it.

إِنَّ مِنْ أَحَبِّكُمْ إِلَيَّ وَأَقْرَبِكُمْ مِنِّي مَجْلِسًا يَوْمَ الْقِيَامَةِ أَحَاسِنَكُمْ أَخْلَاقًا

مَجْلِسًا — nearest in sitting; أَخْلَاقًا — best in character. Both are tamyīz.

Not Ḥāl

The teacher first labelled مَجْلِسًا a ḥāl, then corrected herself: after the ism al-tafḍīl it is tamyīz. The meaning is similar, but the analysis is different. See Ism al-Tafdhil.


Session References

  • Surah Yusuf Session 11: Tamyīz after ism al-tafḍīl — مَجْلِسًا and أَخْلَاقًا in the ḥadīth أَحَاسِنَكُمْ أَخْلَاقًا; the teacher's ḥāl → tamyīz correction.