volver
return
revolve
to rotate or turn
+
-er
verb suffix
Volver means to return and can be remembered by thinking of revolve0 (to rotate or turn0), as returning is like coming back around. The -er1 ending indicates it's a verb1.
verb
  1. return
    To return or come back
    Voy a volver a casa mañana. // I'm going to return home tomorrow.