reverberation

nouns

the repetition of a sound resulting from reflection of the sound waves
"she could hear echoes of her own footsteps"
echo, replication, reverberation, sound reflection
is derived from
reverberate
a remote or indirect consequence of some action
"his declaration had unforeseen repercussions"; "reverberations of the market crash were felt years later"
repercussion, reverberation
is derived from
reverberate