أَرَءَيْتَ ٱلَّذِى يَنْهَىٰ ٩
Sentence structure
Interrogative أَ precedes رَءَيْتَ. ٱلَّذِى is its object and يَنْهَىٰ the relative clause.
Ayah summary
Have you seen the person who prevents worship?
أَرَءَيْتَ — Have you seen
Grammar: أَ is interrogative; the perfect has attached subject تَ.
ٱلَّذِى — the one who
Grammar: A masculine-singular relative noun functioning as object.
يَنْهَىٰ — forbids
Grammar: A third-person masculine-singular imperfect with understood subject, forming the relative clause.