Where does “hethen” come from?

hethen (Old Cornish) comes from Proto-Brythonic edn, from Proto-Celtic ɸetnos, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

Ancestry of “hethen”, step by step

StepLanguageWordMeaning
1Proto-Brythonicednbird
2Proto-Celticɸetnosbird
3Proto-Indo-Europeanpéth₂r̥wing; feather
4Proto-Indo-Europeanpeth₂-to spread out; to fly

Words derived from “hethen”

Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Celtic ɸetnos →