Where does “Argoed” come from?

Argoed (Welsh) comes from Welsh coed, from Catalan coet, from Old Welsh coit, from Proto-Brythonic koɨd, from Proto-Celtic kaitos, from Proto-Indo-European ḱayt- — forest, wasteland, pasture.

Ancestry of “Argoed”, step by step

StepLanguageWordMeaning
1Welshcoedwood, timber; trees
2Catalancoetrocket
3Old Welshcoit—
4Proto-Brythonickoɨdwood, forest
5Proto-Celtickaitoswoods
6Proto-Indo-Europeanḱayt-forest, wasteland, pasture
Every word from Proto-Indo-European ḱayt- →Every word from Proto-Celtic kaitos →Every word from Proto-Brythonic koɨd →