مَا سَارَتْ إِلَّا يَوْمَ الْجُمُعَةِ
She or it did not depart except on Friday.
Yawm al-jumuʿah is a time adverbial; the tacit general set therefore consists of potential times of departure. The statement confines the departure to Friday in the relevant context.
Neither the traveller’s identity nor the place of travel is what is restricted. The construction selects a time from the general temporal range.
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How Restrictive Constructions Convey Qasr: Ellipsis and Scope
مَا سَارَتْ إِلَّا يَوْمَ الْجُمُعَةِ
She or it did not depart except on Friday.
Yawm al-jumuʿah is a time adverbial; the tacit general set therefore consists of potential times of departure. The statement confines the departure to Friday in the relevant context.
Neither the traveller’s identity nor the place of travel is what is restricted. The construction selects a time from the general temporal range.