You might give something up for this (4)

I believe the answer is:

lent

(Other definitions for lent that I've seen before include "Period from Ash Wednesday to Easter" , "Gave for a limited period" , "Christian penitential period" , "Advanced" , "Loaned; a fast" .)

I've seen this clue in The New York Times.

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.