Where does “чотирикутник” come from?

чотирикутник (Ukrainian) comes from Ukrainian чотири-, from Ukrainian чотири, from Proto-Slavic četyre, from Proto-Balto-Slavic ketures, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

чотирикутник (Ukrainian): quadrangle, quadrilateral

Definitions

  1. quadrangle, quadrilateral

Ancestry of “чотирикутник”, step by step

StepLanguageWordMeaning
1Ukrainianчотири-four-, quadr-, quadri
2Ukrainianчотириfour
3Proto-Slavicčetyrefour
4Proto-Balto-Slavicketuresfour
5Proto-Indo-Europeankʷetwóresfour
6Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Balto-Slavic ketures →