Where does “Valea Racului” come from?

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

Ancestry of “Valea Racului”, step by step

Valea Racului traces back through two separate lines of ancestry.

via Romanian rac

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

via Romanian vale

StepLanguageWordMeaning
1Romanianvalevalley
2Latinvallisvalley, vale; hollow; dative plural of vāllum
3Proto-Indo-EuropeanwēlH-to roll, to undulate
4Proto-Indo-EuropeanwelH-to turn, to wind
Every word from Proto-Indo-European wreh₃kʷos →Every word from Proto-Balto-Slavic rṓˀkas →Every word from Proto-Slavic rakъ →