resonance n.

late 14c., resownen, resounen, of a place, "re-echo, sound back, return an echo; reverberate with," from Anglo-French resuner, Old French resoner "reverberate" (12c., Modern French résonner), from Latin resonare "sound again, resound, echo" (source also of Spanish resonar, Italian risonare), from re- "back, again" (see re-) + sonare "to sound, make a noise" (from PIE root *swen- "to sound").

With unetymological -d- from mid-15c. (compare sound (n.1)). From 1520s of things. Related: Resounded; resounding.

"resound, produce or exhibit resonance," 1856, in anatomy; in early use especially of auscultation, from Latin resonatus, past participle of resonare "to sound again" (see resonance). Literal at first; the figurative sense, in reference to feelings, emotions, etc., is by 1978. Related: Resonated; resonating.