repercussion

Concise Oxford English Dictionary © 2008 Oxford University Press:
repercussion/riːpəˈkʌʃn/

▶noun

• 1 (usu. repercussions) an indirect result of an event or action.

• 2 archaic the recoil of something after impact.

  ■ an echo or reverberation.

– derivatives
repercussive adjective.

– origin ME (as a medical term meaning ‘repressing of infection’): from OFr., or from L. repercussio(n-), from repercutere ‘cause to rebound, push back’.