Where does “Brendan” come from?
Brendan (English) comes from Irish Bréanainn, from Latin Brendanus, from Old Irish Brénainn, 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 “Brendan”, step by step