Where does “четырнадцатигранник” come from?

четырнадцатигранник (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.

четырнадцатигранник (Russian): tetradecahedron

Definitions

  1. tetradecahedron

Ancestry of “четырнадцатигранник”, step by step

четырнадцатигранник 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 грань

StepLanguageWordMeaning
1Russianграньface; facet, side; border, verge, brink
2Old East Slavicгрань—
3Proto-Slavicgranьside, edge
4Proto-Slavic-nьDeverbative, creates nouns
Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Balto-Slavic ketures →