Where does “brenhinoedd” come from?

brenhinoedd (Welsh) comes from Welsh brenin, from Middle Welsh brenhin, from Proto-Brythonic brɨɣėntin, from Proto-Celtic brigantīnos, from Proto-Celtic brigantī, from Proto-Indo-European bʰérǵʰonts, from Proto-Indo-European bʰerǵʰ- — to rise; high, lofty; hill, mountain.

Ancestry of “brenhinoedd”, step by step

StepLanguageWordMeaning
1Welshbreninking, monarch, sovereign; king
2Middle Welshbrenhinking
3Proto-Brythonicbrɨɣėntinlord, king
4Proto-Celticbrigantīnospreeminent, outstanding; pre-eminent,...
5Proto-Celticbrigantīsomething high or elevated; an exalted person
6Proto-Indo-Europeanbʰérǵʰontshigh
7Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain
Every word from Proto-Indo-European bʰerǵʰ-Every word from Proto-Indo-European bʰérǵʰontsEvery word from Proto-Celtic brigantī