Where does “четырнадцатиугольник” come from?

четырнадцатиугольник (Russian) comes from Russian четы́рнадцать, from Russian четыре, from Old East Slavic четꙑре, from Proto-Slavic *četỳre, from Proto-Balto-Slavic ketures, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

четырнадцатиугольник (Russian): tetradecagon

Definitions

  1. tetradecagon

Ancestry of “четырнадцатиугольник”, step by step

четырнадцатиугольник traces back through two separate lines of ancestry.

via Russian четы́рнадцать

StepLanguageWordMeaning
1Russianчеты́рнадцатьfourteen (14)
2Russianчетыреfour
3Old East Slavicчетꙑреfour
4Proto-Slavic*četỳrefour
5Proto-Balto-Slavicketuresfour
6Proto-Indo-Europeankʷetwóresfour
7Proto-Indo-Europeankʷe-and

via Russian у́гол

StepLanguageWordMeaning
1Russianу́голangle; corner
2Proto-Slavicǫgъlъcorner, angle
3Proto-Balto-Slavic*ángulas—
4Proto-Indo-Europeanh₂engulosjoint?
5Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Balto-Slavic ketures →