From Zürich or Basel, eg (5)

I believe the answer is:

swiss

(Other definitions for swiss that I've seen before include "Tell, for example" , "Gruyere nationality" , "William Tell's nationality" , "Tell, say" , "One from Basle" .)

I've seen this clue in The 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.