Where does “tris” come from?

tris (Old Irish) comes from Proto-Celtic *tristos, from Proto-Indo-European tri-, from Proto-Indo-European tréyes — three.

tris (Old Irish): third

Definitions

  1. third

Ancestry of “tris”, step by step

StepLanguageWordMeaning
1Proto-Celtic*tristos—
2Proto-Indo-Europeantri-three, threefold
3Proto-Indo-Europeantréyesthree

Words derived from “tris”

Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tri- →Every word from Proto-Celtic *tristos →