Where does “wielkorak” come from?

wielkorak (Polish) comes from Polish rak, from Old Polish rak, from Proto-Slavic rakъ, from Proto-Balto-Slavic rṓˀkas, from Proto-Indo-European wreh₃kʷos — looking backwards.

wielkorak (Polish): eurypterid

Definitions

  1. eurypterid

Ancestry of “wielkorak”, step by step

wielkorak traces back through two separate lines of ancestry.

via Polish rak

StepLanguageWordMeaning
1Polishrakcancer; crayfish; crampon
2Old Polishrak—
3Proto-Slavicrakъcrayfish
4Proto-Balto-Slavicrṓˀkas—
5Proto-Indo-Europeanwreh₃kʷoslooking backwards

via Polish wielki

StepLanguageWordMeaning
1Polishwielkibig, large; having large physical dimensions;...
2Old Polishwielkigreat, large
3Proto-Slavicvelikъgreat
4Proto-Slavic-ikъ*nožь → *nožikъ; *větrъ → *větrikъ; *listъ →...
Every word from Proto-Indo-European wreh₃kʷos →Every word from Proto-Balto-Slavic rṓˀkas →Every word from Proto-Slavic rakъ →