Where does “triquetrous” come from?

triquetrous (English) comes from Latin triquetrus, from Latin tri-, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

triquetrous (English): Triangular; especially (in natural sciences), having a triangular cross-section

Definitions

  1. Triangular; especially (in natural sciences), having a triangular cross-section

Ancestry of “triquetrous”, step by step

StepLanguageWordMeaning
1Latintriquetrustriangular, having three corners
2Latintri-three, tri-
3Latintrēsthree; 3
4Proto-Italictrēsthree
5Proto-Indo-European*tréyes—

Words derived from “triquetrous”

Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →