jerky (n.)youdaoicibaDictYouDict[jerky 词源字典]
1850, American English, from American Spanish charqui "jerked meat," from Quechua (Inca) ch'arki "dried flesh."[jerky etymology, jerky origin, 英语词源]
jerky (adj.)youdaoicibaDictYouDict
"characterized by jerks," 1858, from jerk (v.1) + -y (2). Related: Jerkily; jerkiness.