Where does “рачки” come from?

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

рачки (Ukrainian): on all fours

Definitions

  1. on all fours

Ancestry of “рачки”, step by step

StepLanguageWordMeaning
1Ukrainianракcrawfish, crayfish
2Proto-Slavicrakъcrayfish
3Proto-Balto-Slavicrṓˀkas—
4Proto-Indo-Europeanwreh₃kʷoslooking backwards
Every word from Proto-Indo-European wreh₃kʷos →Every word from Proto-Balto-Slavic rṓˀkas →Every word from Proto-Slavic rakъ →