Where does “treorach” come from?

treorach (Middle Irish) comes from Proto-Celtic treg-ri, from Proto-Indo-European (s)treg- — rigid, stiff; to be stiff, rigid, strong.

Ancestry of “treorach”, step by step

StepLanguageWordMeaning
1Proto-Celtictreg-ri—
2Proto-Indo-European(s)treg-rigid, stiff; to be stiff, rigid, strong

Words derived from “treorach”

Every word from Proto-Indo-European (s)treg- →Every word from Proto-Celtic treg-ri →