jerky (adj.)

"characterized by jerks, spasmodic," 1819, originally in medical writing with reference to the pulse, from jerk (n.1) + -y (2). Related: Jerkily; jerkiness.

jerky (n.)

1850, American English, from American Spanish charqui "jerked meat," from Quechua (Inca) ch'arki "dried flesh."

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