“Sound heard in a cave” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.ECHO is the answer to the New York Times crossword clue “Sound heard in a cave”. It was last seen in the puzzle of October 6, 2025, where it runs at 16 Across and fills 4 squares. It crosses 4 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.