Where does “Rebra” come from?

Rebra (Romanian) comes from Old Church Slavonic ребро, from Proto-Slavic rebrò, from Proto-Balto-Slavic *rébran, from Proto-Indo-European h₁rebʰ- — to cover, to roof; rib.

Ancestry of “Rebra”, step by step

StepLanguageWordMeaning
1Old Church Slavonicреброrib
2Proto-Slavicrebròrib
3Proto-Balto-Slavic*rébranrib
4Proto-Indo-Europeanh₁rebʰ-to cover, to roof; rib

Words derived from “Rebra”

Every word from Proto-Indo-European h₁rebʰ- →Every word from Proto-Balto-Slavic *rébran →Every word from Proto-Slavic rebrò →