Where does “triquetrum” come from?

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

triquetrum (English): The triquetral bone; An astronomical instrument

Definitions

  1. The triquetral bone; An astronomical instrument

Ancestry of “triquetrum”, step by step

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

Words derived from “triquetrum

Every word from Proto-Indo-European *tréyesEvery word from Proto-Italic trēsEvery word from Latin trēs