RUNG

Step up the ladder (4)

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

• Quick crossword No 15,965 — 2021-07-07 23:00:45
  3D: Part of a ladder (4)
• Quick crossword No 15,635 — 2020-06-16 23:00:37
  20A: Step up the ladder (4)