whip (v.) Look up whip at Dictionary.com
mid-13c., wippen "flap violently," from Proto-Germanic *wipp- (cf. Danish vippe "to raise with a swipe," Middle Dutch, Dutch wippen "to swing," Old High German wipf "swing, impetus"), from PIE *wib- "move quickly." The cookery sense is from 1670s. Related: Whipped; whipping. Whipping boy first recorded 1640s; whipping block is from c.1877. Whip-saw is attested from 1530s; whip snake first recorded 1774.
whip (n.) Look up whip at Dictionary.com
early 14c., from whip (v.). In parliamentary use from 1850 (the verb in this sense is recorded from 1742), from the sense in fox-hunting. The parliamentary whip's duty originally was to ensure the attendance of party members on important occasions.