Where does “Râciu” come from?

Râciu (Romanian) comes from Romanian rac, from Proto-Slavic rakъ, from Proto-Balto-Slavic rṓˀkas, from Proto-Indo-European wreh₃kʷos — looking backwards.

Ancestry of “Râciu”, step by step

StepLanguageWordMeaning
1Romanianraccrayfish; cancer; Cancer
2Proto-Slavicrakъcrayfish
3Proto-Balto-Slavicrṓˀkas
4Proto-Indo-Europeanwreh₃kʷoslooking backwards

Words derived from “Râciu

Every word from Proto-Indo-European wreh₃kʷosEvery word from Proto-Balto-Slavic rṓˀkasEvery word from Proto-Slavic rakъ