فَٱلْمُورِيَـٰتِ قَدْحًا ٢
Sentence structure
فَ coordinates the next oath expression. ٱلْمُورِيَـٰتِ is a genitive feminine-plural Form IV active participle, and قَدْحًا is an accusative verbal noun describing manner.
Ayah summary
Their hooves strike sparks from the stones.
فَٱلْمُورِيَـٰتِ — then those striking sparks
Grammar: فَ coordinates; a defined Form IV feminine-plural active participle in the genitive.
قَدْحًۭا — by striking
Grammar: An indefinite masculine accusative verbal noun describing manner.