Word Origin & History
vibrate1616, from L. vibratus, pp. of vibrare "move quickly to and fro, shake," from PIE *w(e)ib- "move quickly to and fro" (cf. Lith. wyburiu "to wag" (the tail), Dan. vippe, Du. wippen "to swing," O.E. wipan "to wipe"). Musical vibrato (1861) reproduces the It. form.