echo

echáo
/_ek_/

Noun
A sound or series of sounds caused by the reflection of sound waves from a surface back to the listener: “the walls threw back echoes”.

Verb
(of a sound) Be repeated or reverberate after the original sound has stopped: “their footsteps echoed on the metal catwalks”.

Synonyms
noun. reverberation – repercussion – resonance – response verb. reverberate – resound – sound – re-echo