Crossword Genius

Question wife over fashion accessory (4)

Ross

I believe the answer is:

what

I'm a little stuck... Click here to teach me more about this clue!

'question wife over fashion accessory' is the definition.
I can't tell whether this definition defines the answer.

'wife over fashion accessory' is the wordplay.
I cannot really understand how this works, but
'wife' could be 'w' (abbreviation) and 'w' is located in the answer.
'accessory' could be 'hat' (I've seen this before) and 'hat' is present in the answer.
No letters remain.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for what that I've seen before include "Eh?" , "Which thing?" , "Interrogatory word" , "That which - come again!" , "Word used in a question" .)

I've seen this clue in The Daily Express.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.