English word craniosacral comes from English sacral, English cranio- (Cranium.)

Detailed word origin of craniosacral

Dictionary entry	Language	Definition
sacral	English (eng)	(anatomy) Of the sacrum.. Sacred. Any of the sacral bones that make up the sacrum.
cranio-	English (eng)	Cranium.
craniosacral	English (eng)	Of or pertaining to the cranium and sacrum, especially with regard to craniosacral therapy, a form of alternative medicine resembling massage.

Words with the same origin as craniosacral