Middle English word rygge-bone comes from Proto-Germanic *bainą (Leg, bone.), Proto-Germanic *hrugjaz (Back. Ridge. Spine.)

Detailed word origin of rygge-bone

Dictionary entry	Language	Definition
*bainą	Proto-Germanic (gem-pro)	Leg, bone.
*hrugjaz	Proto-Germanic (gem-pro)	Back. Ridge. Spine.
ban	Old English (ang)	Bone.
hrycg	Old English (ang)	(anatomy) back; spine; ridge (back or spine of an animal).
*hrugjabainą	Proto-Germanic (gem-pro)	(anatomy) backbone.
hryġċbān	Old English (ang)
rigbone	Middle English (enm)

Words with the same origin as rygge-bone