Yank
来自Big Physics
late 18th century (as a Scots word in the sense ‘sudden sharp blow’): of unknown origin.
wiktionary
Attested since 1822; from Scots yank. Unknown origin.
Clipping of Yankee
etymonline
yank (v.)
"to pull, jerk," 1822, Scottish, of unknown origin. Related: Yanked; yanking. The noun is 1818 in sense of "sudden blow, cuff;" 1856 (American English) as "a sudden pull."
Yank (n.)
abbreviated form of Yankee, 1778.
