Lisa may be after her (4)

I believe the answer is:

mona

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

'lisa' is the definition.
(I've seen this in another clue)

I don't understand the rest of the clue.

(Other definitions for mona that I've seen before include "Lisa in the Louvre" , "Female" .)

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.