repercussion

A consequence or ensuing result of some action.

The act of driving back, or the state of being driven back; reflection; reverberation.

(music) Rapid reiteration of the same sound.

(medicine) The subsidence of a tumour or eruption by the action of a repellent.

(obstetrics) In a vaginal examination, the act of imparting through the uterine wall with the finger a shock to the foetus, so that it bounds upward, and falls back again against the examining finger.