OMICRON

Greek vowel (7)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,324 — 2022-08-31 23:00:38
  6D: Moronic (anag) — letter from Greece (7)
• Quick crossword No 15,407 — 2019-09-23 23:00:42
  19A: Greek vowel (7)