- reverberation (n.)
- late 14c., "reflection of light or heat," from Old French reverberation, from Medieval Latin reverberationem (nominative reverberatio), noun of action from past participle stem of Latin reverberare "beat back," from re- "back" (see re-) + verberare "to strike, to beat," from verber "whip, lash, rod," related to verbena "leaves and branches of laurel," from PIE *werb- "to turn, bend" (see warp). Sense of "echo" is attested from 1620s.