Yak
来自Big Physics
late 18th century: from Tibetan gyag .
wiktionary
Borrowed from Tibetan གཡག(g.yag), from Proto-Sino-Tibetan *g-jak ~ g-jaŋ.
Apparently an onomatopoeia.
Shortening.
etymonline
yak (n.)
"wild ox of central Asia," 1795, from Tibetan g-yag "male yak." Attested in French from 1791.
yak (v.)
"laugh," 1938, variant of yuck (2); "talk idly," 1950, variant of yack. Related: Yakked; yakking.
