ARTHUR

Legendary British king (6)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,221 — 2022-05-03 23:00:00
  16D: Legendary king, son of Uther Pendragon (6)
• Quick crossword No 15,407 — 2019-09-23 23:00:42
  2D: Legendary British king (6)