Resounds (6)
'resounds' is the definition.
('echo' can be a synonym of 'resound')
This is the entire clue.
(Other definitions for echoes that I've seen before include "Repetitions of sounds" , "repercussions" , "Repeats" , "Returning sounds" , "Reflected sounds" .)
'resounds' is the definition.
('reverberate' can be a synonym of 'resound')
This is all the clue.