Etymograph

English

knucklebone

From knuckle + bone.

A compound of knuckle + bone

Proto-Germanic *knukô ‘bone, joint’

Proto-Germanic *knukilaz ‘knuckle, knot, bump’

Proto-West Germanic *knukil ‘knuckle, joint, small bone’

Old English cnucel ‘the juncture of two bones’

Middle English knokel ‘finger joint’

English knuckle

Proto-Germanic *bainaz ‘straight’

Proto-Germanic *bainą ‘bone, leg’

Proto-West Germanic *bain ‘bone’

Old English bān ‘bone’

Middle English bon ‘bone’

English bone

Today it means

noun A bone that forms a knuckle in the human hand, in an animal's paw or any bone that forms a similar bump.

Language periods are conventional ranges, not dates for this word.

Etymograph / knucklebone