bregda (Old Irish) comes from Old Irish Brega, from Spanish bregar, from Gothic 𐌱𐍂𐌹𐌺𐌰𐌽, from Proto-Germanic brekaną, from Proto-Indo-European bʰrēǵ- — to shine, shimmer.
bregda (Old Irish): Bregian, related to Bregia, the country around...