Where does “гръбнак” come from?

гръбнак (Bulgarian) comes from Bulgarian гръб, from Old Church Slavonic гръбъ, from Proto-Slavic *gъrbъ.

гръбнак (Bulgarian): spine, backbone, chine

Definitions

  1. spine, backbone, chine

Ancestry of “гръбнак”, step by step

StepLanguageWordMeaning
1Bulgarianгръбback, rear
2Old Church Slavonicгръбъ—
3Proto-Slavic*gъrbъ—
Every word from Proto-Slavic *gъrbъ →Every word from Old Church Slavonic гръбъ →Every word from Bulgarian гръб →