Tweak
来自Big Physics
early 17th century: probably an alteration of dialect twick ‘pull sharply’; related to twitch.
wiktionary
From Middle English twikken, from Old English twiccian(“to pluck”), from Proto-West Germanic *twekkōn(“to fasten; clamp; pinch”). Related to twitch. The drug-related sense may be a blend of twitch and freak.
etymonline
tweak (v.)
"pinch, pluck, twist," usually to the nose, c. 1600, probably from Middle English twikken "to draw, tug, pluck" (mid-15c.), from Old English twiccian "to pluck," of obscure origin; perhaps related to twitch. Meaning "to make fine adjustments" is attested from 1966. Related: Tweaked; tweaking.
tweak (n.)
c. 1600, "a twitch, a pluck," from tweak (v.). As "a fine adjustment" by 1989.
