Crossword Genius

Little sound that echoes just the same? (4)

Ross

I believe the answer is:

peep

This clue is a double definition.

'little sound' is the first definition.
(peep can mean a quiet sound)

'that echoes just the same?' is the second definition.

(Other definitions for peep that I've seen before include "Secret look" , "Look furtively (in both directions)" , "Look furtively (either way)" , "Look quickly" , "Chirp" .)

I've seen this clue in The Guardian.
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