يَسْـَٔلُونَكَ عَنِ ٱلسَّاعَةِ أَيَّانَ مُرْسَىٰهَا
Ayah summary
The deniers asked when the Resurrection would finally take place.
Sentence structure
The verbal clause states that they ask you about the Hour. أَيَّانَ مُرْسَىٰهَا is the quoted question: when will its appointed occurrence be?
يَسْـَٔلُونَكَ — They ask you
Grammar: third-person masculine plural imperfect verb. In the ending ونَ, “و” is wāw al-jamāʿah, the attached subject pronoun, while “نَ” is the indicative nūn. Attached كَ is a second-person masculine singular pronoun functioning as object.
عَنِ — about
Grammar: عَنِ is a preposition; the resulting prepositional phrase is linked to its governing word.
ٱلسَّاعَةِ — the Hour
Grammar: ٱل is the definite article. A genitive noun governed by the preceding preposition.
أَيَّانَ — when
Grammar: An interrogative time adverb meaning “when,” linked to an omitted fronted predicate; مُرْسَىٰهَا is the delayed subject.
مُرْسَىٰهَا — its appointed occurrence
Grammar: مُرْسَىٰ is a nominative verbal noun meaning the appointed occurrence and functions as the delayed subject; attached هَا is its genitive complement referring to the Hour.