Etymology
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whip (n.)
"instrument for flagellating," early 14c., from whip (v.) and perhaps in part from Middle Low German wippe "quick movement." 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.
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whip (v.)

mid-13c., wippen "flap violently," not in Old English, of uncertain origin, ultimately from Proto-Germanic *wipjan "to move back and forth" (source also of Danish vippe "to raise with a swipe," Middle Dutch, Dutch wippen "to swing," Old High German wipf "swing, impetus"), from PIE root *weip- "to turn, vacillate, tremble." "The senses of both [noun and verb] no doubt represent several independent adoptions or formations" [OED]. The cookery sense is from 1670s. Related: Whipped; whipping. Whip snake first recorded 1774, so called for its shape.

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horse-whip (n.)
also horsewhip, 1690s, from horse (n.) + whip (n.). As a verb, "to flog with a horse-whip," from 1768. Related: Horse-whipped; horse-whipping.
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whip-saw (n.)
also whipsaw, 1530s, from whip + saw (n.). As a verb from 1842. Related: Whip-sawed; whip-sawing.
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bull-whip (n.)

also bullwhip, "long, thick type of whip 'used by drovers to intimidate refractory animals'" [Century Dictionary], 1852, American English, from bull (n.1) + whip (n.). Whips made of bull hide were known in Middle English as bull-rope, bull-sinew, bull-yerde. But in bull-whip (also in 19c. American English bull-whack) the sense is perhaps "whip that can drive a bull," or bull might be a reference to the size of it. The earliest references (1850s) are in Northern accounts of Southern slavery. As a verb from 1895.

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whipping (n.)
1560s, "a beating with a whip," verbal noun from whip (v.). As "a defeat," 1835, American English colloquial. Also as a present-participle adjective; hence whipping post (c. 1600); whipping boy (1640s); whipping block (1877).
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whiplash (n.)
1570s, "the lash of a whip," from whip (n.) + lash (n.). The injury caused by sudden head motion so called by 1955, in reference to the notion of moving to and fro like a cracking whip. The verb in this sense is recorded by 1971.
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whippet (n.)
small, fast type of dog, c. 1600, probably from whip (v.) in the sense of "move quickly" + diminutive suffix -et. Used earlier (1540s) in reference to "a brisk, nimble woman."
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*weip- 

Proto-Indo-European root meaning "to turn, vacillate, tremble ecstatically." 

It forms all or part of: gimlet; gimp (n.2) "ornamental trimming material;" vibrant; vibrate; vibration; vibrato; vibrissa; waif; waive; waiver; whip; wimple; wipe.

It is the hypothetical source of/evidence for its existence is provided by: Latin vibrare "set in tremulous motion, move quickly to and fro, quiver, tremble, shake," Lithuanian vyburti "to wag" (the tail), Danish vippe, Dutch wippen "to swing," Old English wipan "to wipe."

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whipper-snapper (n.)
also whippersnapper, 1670s, apparently a "jingling extension" [OED] of *whip-snapper "a cracker of whips," or perhaps an alteration of snipper-snapper (1580s). Compare also late 16c. whipperginnie, a term of abuse for a woman.
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