Word Origin & History
chink
"slit," 1535, from M.E. chine (with parasitic -k) from O.E. cinu "fissure," related to cinan "to crack, split, gape," from PIE base *gei-, *gi- "to germinate, bloom," connection being in the notion of bursting open. The unrelated derogatory slang word for "a Chinaman" first recorded 1901.