Where does “gwaeanhwyn” come from?

gwaeanhwyn (Middle Welsh) comes from Old Welsh guiannuin, from Proto-Brythonic wesantēnos, from Proto-Celtic wesantos, from Proto-Celtic wesr-, from Proto-Indo-European wósr̥ — spring.

Ancestry of “gwaeanhwyn”, step by step

StepLanguageWordMeaning
1Old Welshguiannuin—
2Proto-Brythonicwesantēnos—
3Proto-Celticwesantos—
4Proto-Celticwesr-spring
5Proto-Indo-Europeanwósr̥spring

Words derived from “gwaeanhwyn”

Every word from Proto-Indo-European wósr̥ →Every word from Proto-Celtic wesr- →Every word from Proto-Celtic wesantos →