LessonsIsm al-Ẓarf: Meaning, Patterns, Paradigm and DerivationQuiz

Word / formMeaning / explanation
يَنْصُرُ ← مَنْصَرٌṣād: ḍammah becomes fatḥah.
يَضْرِبُ ← مَضْرِبٌrāʾ: kasrah stays kasrah.
يَسْمَعُ ← مَسْمَعٌmīm: fatḥah stays fatḥah.

The generalisation is precise: a ḍammah on the imperfect's middle radical changes to fatḥah in this simple place/time noun formation; an existing fatḥah or kasrah is preserved. The prefixed mīm is fatḥah-bearing.

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Comparing the three vowel outcomes

Ism al-Ẓarf: Meaning, Patterns, Paradigm and Derivation

Word / formMeaning / explanation
يَنْصُرُ ← مَنْصَرٌṣād: ḍammah becomes fatḥah.
يَضْرِبُ ← مَضْرِبٌrāʾ: kasrah stays kasrah.
يَسْمَعُ ← مَسْمَعٌmīm: fatḥah stays fatḥah.

The generalisation is precise: a ḍammah on the imperfect's middle radical changes to fatḥah in this simple place/time noun formation; an existing fatḥah or kasrah is preserved. The prefixed mīm is fatḥah-bearing.