echo
ech-o
verb
(Of a sound) be reflected back, or (of an idea) be repeated or reflected.
"His words echoed through the empty hall."
noun
A sound reflected back to the listener from a surface or object.
"We heard a faint echo in the valley."
Thesaurus
Synonyms: recall, replication, sound reflection, reverberation, reverberate, ring, resound, repeat