Rule 6: If the moving wāw or yāʾ bears fatḥah after a quiescent consonant, fatḥah first moves to that preceding consonant and the weak letter then changes to alif.
Word / formMeaning / explanation
يُقْوَلُ → يُقَالُit is said.
يُبْيَعُ → يُبَاعُit is sold.
يَخْوَفُ → يَخَافُhe fears.
This rule has two operations in sequence: vowel transfer, then substitution. Calling it merely “alif substitution” omits the first necessary step.
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Hollow Verbs: Seven Iʿlāl Rules and Three Short Paradigms
Rule 6: If the moving wāw or yāʾ bears fatḥah after a quiescent consonant, fatḥah first moves to that preceding consonant and the weak letter then changes to alif.
Word / formMeaning / explanation
يُقْوَلُ → يُقَالُit is said.
يُبْيَعُ → يُبَاعُit is sold.
يَخْوَفُ → يَخَافُhe fears.
This rule has two operations in sequence: vowel transfer, then substitution. Calling it merely “alif substitution” omits the first necessary step.