Where does “viervlak” come from?

viervlak (Dutch) comes from Dutch vlak, from Middle Dutch vlac, from Old Dutch flak, from Proto-West Germanic *flak, from Proto-Germanic flakaz, from Proto-Indo-European pl̥keh — flat surface.

viervlak (Dutch): tetrahedron

Definitions

  1. tetrahedron

Ancestry of “viervlak”, step by step

viervlak traces back through two separate lines of ancestry.

via Dutch vlak

StepLanguageWordMeaning
1Dutchvlakflat, plane; A plain, a flat surface; A domain,...
2Middle Dutchvlac—
3Old Dutchflak—
4Proto-West Germanic*flak—
5Proto-Germanicflakazflat
6Proto-Indo-Europeanpl̥kehflat surface

via Dutch vier

StepLanguageWordMeaning
1Dutchvierfour
2Middle Dutchvierfour; Alternative form of vuur
3Old Dutchfuïrfire
4Proto-West Germanicfuirfire
5Proto-Germanicfōrfire
6Proto-Indo-Europeanpéh₂wr̥bonfire; spelt
Every word from Proto-Indo-European pl̥keh →