Reflux /(r?"fl?ks`)/

Re·flux

Reflux

a.
  1. Returning, or flowing back; reflex; as, reflux action.

Reflux

n.
  1. A flowing back, as the return of a fluid; ebb; reaction; as, the flux and reflux of the tides.
    All from me Shall with a fierce reflux on me redound.