Where does “Bifröst” come from?

Bifröst (French) comes from Old Norse Bifrǫst, from Old Norse rǫst, from Proto-Germanic rastō, from Proto-Indo-European ros-.

Bifröst (French): Bifrost

Definitions

  1. Bifrost

Ancestry of “Bifröst”, step by step

StepLanguageWordMeaning
1Old NorseBifrǫstBifrost, the rainbow bridge connecting Asgard with Midgard
2Old Norserǫst—
3Proto-Germanicrastōinterval; rest
4Proto-Indo-Europeanros-—
Every word from Proto-Indo-European ros- →Every word from Proto-Germanic rastō →Every word from Old Norse rǫst →