وَأُبْدِلَتِ الضَّمَّةُ بِالْكَسْرَةِ؛ لِمُنَاسَبَةِ الْيَاءِ، فَصَارَ: «مُسْلِمِيَّ».
Translation: The ḍamma was replaced by a kasra to suit the yāʾ, resulting in “muslimiyya.”
The kasra here is a phonetic adjustment, not proof that a nominative subject has turned into a genitive noun. In the first example it remains a nominative subject.
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Noun Case Class 9 — Sound Masculine Plural with My
وَأُبْدِلَتِ الضَّمَّةُ بِالْكَسْرَةِ؛ لِمُنَاسَبَةِ الْيَاءِ، فَصَارَ: «مُسْلِمِيَّ».
Translation: The ḍamma was replaced by a kasra to suit the yāʾ, resulting in “muslimiyya.”
The kasra here is a phonetic adjustment, not proof that a nominative subject has turned into a genitive noun. In the first example it remains a nominative subject.