Sue, we hear, for a bit of money (3)

I believe the answer is:

sou

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

'bit of money' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for sou that I've seen before include "Tiny amount of money" , "16 French coin" , "Very small amount of money" , "Old French coin of little value" , "Paltry sum" .)

I've seen this clue in the Evening Standard.

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.