When the silent tāʾ would meet a following consonant with sukūn during liaison, a temporary kasra avoids the disallowed cluster of two consecutive sukūns.
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Two Consecutive Sukūns in Connected Speech
Feminine Tāʾ in the Past Tense: Form and Agreement
When the silent tāʾ would meet a following consonant with sukūn during liaison, a temporary kasra avoids the disallowed cluster of two consecutive sukūns.