Where does “Brénainn” come from?

Brénainn (Old Irish) comes from Old Welsh breenhin, 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 “Brénainn”, step by step

Brénainn traces back through two separate lines of ancestry.

via Old Welsh breenhin

StepLanguageWordMeaning
1Old Welshbreenhinprince, king
2Proto-Celticbrigantīnospreeminent, outstanding; pre-eminent,...
3Proto-Celticbrigantīsomething high or elevated; an exalted person
4Proto-Indo-Europeanbʰérǵʰontshigh
5Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain

via Proto-Brythonic brɨɣėntin

StepLanguageWordMeaning
1Proto-Brythonicbrɨɣėntinlord, king

Words derived from “Brénainn

Every word from Proto-Indo-European bʰerǵʰ-Every word from Proto-Indo-European bʰérǵʰontsEvery word from Proto-Celtic brigantī