Where does “рак” come from?

рак (Bulgarian) comes from Proto-Slavic rakъ, from Proto-Balto-Slavic rṓˀkas, from Proto-Indo-European wreh₃kʷos — looking backwards.

рак (Bulgarian): crawfish, crayfish; crab; cancer

Definitions

  1. crawfish, crayfish; crab; cancer

Ancestry of “рак”, step by step

StepLanguageWordMeaning
1Proto-Slavicrakъcrayfish
2Proto-Balto-Slavicrṓˀkas—
3Proto-Indo-Europeanwreh₃kʷoslooking backwards
Every word from Proto-Indo-European wreh₃kʷos →Every word from Proto-Balto-Slavic rṓˀkas →Every word from Proto-Slavic rakъ →