Etymology
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guy (n.1)
"small rope, chain, wire," 1620s, nautical; earlier "leader" (mid-14c.), from Old French guie "a guide," also "a crane, derrick," from guier, from Frankish *witan "show the way" or a similar Germanic source, from Proto-Germanic *witanan "to look after, guard, ascribe to, reproach" (source also of German weisen "to show, point out," Old English witan "to reproach," wite "fine, penalty"), from PIE root *weid- "to see." Or from a related word in North Sea Germanic.
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guide (v.)
late 14c., "to lead, direct, conduct," from Old French guider "to guide, lead, conduct" (14c.), earlier guier, from Frankish *witan "show the way" or a similar Germanic source, from Proto-Germanic *witanan "to look after, guard, ascribe to, reproach" (source also of German weisen "to show, point out," Old English witan "to reproach," wite "fine, penalty"), from PIE root *weid- "to see." The form of the French word influenced by Old Provençal guidar (n.) "guide, leader," or Italian guidare, both from the same source. Related: Guided; guiding. Guided missile, one capable of altering course in flight, is from 1945.
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twit (v.)
"to blame, reproach, taunt, upbraid," 1520s, twite, shortened form of Middle English atwite, from Old English ætwitan "to blame, reproach," from æt "at" (see at) + witan "to blame," from Proto-Germanic *witanan "to look after, guard, ascribe to, reproach" (source also of Old English wite, Old Saxon witi, Old Norse viti "punishment, torture;" Old High German wizzi "punishment," wizan "to punish;" Dutch verwijten, Old High German firwizan, German verweisen "to reproach, reprove," Gothic fraweitan "to avenge"), from PIE root *weid- "to see." For sense evolution, compare Latin animadvertere, literally "to give heed to, observe," later "to chastise, censure, punish." Related: Twitted; twitting. As a noun meaning "a taunt" from 1520s.
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