Crossword Genius

Ancient European in for a top Olympic medal (3-3)

Ross

I believe the answer is:

age-old

(Other definitions for age-old that I've seen before include "Hallowed by antiquity" , "Dating from long ago" , "Having existed for a very long time" , "Lasting from times long ago" , "Belonging to times long ago" .)

I've seen this clue in The Times.
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