The last letter of الْعَصَا is an alif that cannot carry a pronounced ḍamma, fatḥa or kasra. Grammarians call this obstruction taʿadhdhur (“impossibility of vowel expression”).
Nominative: estimated ḍamma.
Accusative: estimated fatḥa.
Genitive: estimated kasra.
The cases are different, even though the noun sounds identical.
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Noun Case Class 7 — Maqṣūr and Nouns with Possessive Yāʾ
The last letter of الْعَصَا is an alif that cannot carry a pronounced ḍamma, fatḥa or kasra. Grammarians call this obstruction taʿadhdhur (“impossibility of vowel expression”).
Nominative: estimated ḍamma.
Accusative: estimated fatḥa.
Genitive: estimated kasra.
The cases are different, even though the noun sounds identical.