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yasalūnaka
They ask you
V – 3rd person masculine plural imperfect verb + PRON – subject pronoun na + PRON – 2nd person masculine singular object pronoun ka
Root Link: س ا ل
ʿani
about
P – preposition
Root Link: ع ن
l-sāʿati
the Hour
DET – determiner prefix al + N – genitive feminine noun 
Root Link: س و ع
ayyāna
when
T – time adverb
Root Link: ا ى ن
mur'sāhā
(is) its arrival
N – nominative masculine (form IV) passive participle + PRON – 3rd person feminine singular object pronoun hā
Root Link: ر س و

Acknowledgements:

Single-Word Audio has been made possible through software provided by Arabic NLP

James Ada's concordance work; his research can be found at www.organizedQuran.com
Note: James is now a member of the IslamAwakened Continuity Board