出典:Wiktionary
From Middle English ȝerken (“to move suddenly, excite, bind tightly, attack”), from 古期英語 ġearcian (“to prepare, make ready”), compare ġearc (“active, quick”), from Proto-Germanic *garwakōną (“to prepare”), from Proto-Indo-European *gʰrebʰ- (“to grab, take”). Cognate with jerk; see yare for more cognates.
yerk (複数形 yerks)