جَاءَ مُسْلِمُو مِصْرَ.
The Muslims of Egypt arrived. Nūn disappears from a sound masculine plural when it is muḍāf. Miṣr is treated here as diptote (genitive marked with fatḥa); triptote usage is also attested.
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Nūn Drops in Iḍāfah
Plural Nouns: Sound, Broken, Paucity and Abundance
جَاءَ مُسْلِمُو مِصْرَ.
The Muslims of Egypt arrived. Nūn disappears from a sound masculine plural when it is muḍāf. Miṣr is treated here as diptote (genitive marked with fatḥa); triptote usage is also attested.