Where does “hydrin” come from?

hydrin (English) comes from Welsh hy-, from Proto-Celtic su-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

Ancestry of “hydrin”, step by step

StepLanguageWordMeaning
1Welshhy-affirmative prefix, emphasises prefixed word
2Proto-Celticsu-good, well
3Proto-Indo-Europeanh₁su-good
4Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

Words derived from “hydrin”

Every word from Proto-Indo-European h₁wes- →Every word from Proto-Indo-European h₁su- →Every word from Welsh hy- →