Dutch word ruggengraat comes from Dutch rug ((geology) ridge. Back.), Dutch -en-, Dutch graat (Fish bone.)

Detailed word origin of ruggengraat

Dictionary entry	Language	Definition
rug	Dutch (nld)	(geology) ridge. Back.
-en-	Dutch (nld)	Genitival interfix indicating that the former part is a characteristic of the latter.
graat	Dutch (nld)	Fish bone.
ruggengraat	Dutch (nld)	(figuratively) backbone, fundamental support, core of an organization. Spine, backbone. Vertebral column.

Words with the same origin as ruggengraat