Olympian master of arts (6)

I believe the answer is:

apollo

I'm a little stuck... Click here to teach me more about this clue!

'olympian' is the definition.
(Greek god who lived on Mount Olympus)

I can't explain the remainder of the clue.

(Other definitions for apollo that I've seen before include "Greek god; large European butterfly" , "Greek god - US space programme dedicated to moon landings - butterfly" , "American space programme for landing men on moon" , "handsome fellow" , "Greek sungod, son of Zeus" .)

I've seen this clue in The Globe and Mail.

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.