Expert, for short (3)

I believe the answer is:

pro

(Other definitions for pro that I've seen before include "Skilled" , "Preposition meaning for, in favour of" , "Golf expert" , "Favouring the professional" , "Prefix meaning for" .)

I've seen this clue in The Washington Post.

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.