chopstick (n.)
also chop-stick, 1690s, sailors' partial translation of Chinese k'wai tse, variously given as "fast ones" or "nimble boys," first element from pidgin English chop, from Cantonese kap "urgent." Chopsticks, the two-fingered piano exercise, is first attested 1893, probably from the resemblance of the fingers to chopsticks.