English word osteocranium comes from English cranium, English osteo- (Bone.)

Detailed word origin of osteocranium

Dictionary entry	Language	Definition
cranium	English (eng)	That part of the skull enclosing the brain, the braincase.. The skull of a vertebrate.
osteo-	English (eng)	Bone.
osteocranium	English (eng)	(anatomy) The bony cranium, as distinguished from the cartilaginous cranium.

Words with the same origin as osteocranium