chine

From Middle English chyne, from Old French eschine, from Frankish *skinu, from Proto-Germanic *skinō. Doublet of shin.

From Middle English chyne, chynne (“crack, fissure, chasm”), from Old English ċine, ċinu, from Proto-West Germanic *kinu, from Proto-Germanic *kinō.

From Middle English chynen (“to crack, fissure, split”), from Old English ċīnan (“to break into pieces, burst, crack”), from Proto-West Germanic *kīnan, from Proto-Germanic *kīnaną (“to split; crack; germinate; sprout”).

From Middle English chyne, alteration of Middle English chyme, chymbe, from Old English *ċimb. More at chimb.