Something to step on or sup on (4)

I believe the answer is:

sole

(Other definitions for sole that I've seen before include "Fish - alone" , "Just one - fish" , "Dover - -" , "swimmer" , "A fish; part of shoe" .)

I've seen this clue in the Newsday.

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.