Where does “eith” come from?

eith (Old Breton) comes from Proto-Brythonic üiθ, from Proto-Celtic oxtū, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

Ancestry of “eith”, step by step

StepLanguageWordMeaning
1Proto-Brythonicüiθeight
2Proto-Celticoxtūeight
3Proto-Indo-Europeanoḱtṓweight
4Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...

Words derived from “eith”

Every word from Proto-Indo-European aḱ- →Every word from Proto-Indo-European oḱtṓw →Every word from Proto-Celtic oxtū →