Where does “Iau” come from?

Iau (Welsh) comes from Middle Welsh ieu, from Brythonic *Yow, from Latin Iovem, from Proto-Indo-European dyew- — to be bright; sky, heaven.

Iau (Welsh): Jupiter, Thursday

Definitions

  1. Jupiter, Thursday

Ancestry of “Iau”, step by step

StepLanguageWordMeaning
1Middle Welshieu—
2Brythonic*Yow—
3LatinIovem—
4Proto-Indo-Europeandyew-to be bright; sky, heaven

Words derived from “Iau”

Every word from Proto-Indo-European dyew- →Every word from Latin Iovem →Every word from Brythonic *Yow →