Where does “treas” come from?

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

treas (Scottish Gaelic): third

Definitions

  1. third

Ancestry of “treas”, step by step

StepLanguageWordMeaning
1Middle Irishtres—
2Old Irishtristhird
3Proto-Celtic*tristos—
4Proto-Indo-Europeantri-three, threefold
5Proto-Indo-Europeantréyesthree

Words derived from “treas”

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