Russian city with an asteroid named for it (4)

I believe the answer is:

omsk

(Other definitions for omsk that I've seen before include "Russian city" , "Russian place" , "Womble" , "Russian port" , "City of south central Russia" .)

I've seen this clue in The Wall Street Journal.

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.