Scripts благъ(Church Slavic)
word meaning "good, pleasant, blessed, happy" 
Given Name DescendantsBlaga, Blago, Blagoy, Blagun, Blaguna(Bulgarian) Blago, Blaž(Croatian) Blažena(Czech) Blagica, Blagoj, Blagun, Blaguna, Blaže, Blazhe(Macedonian) Blagoje(Serbian) Blažena(Slovak) Blaž(Slovene)
- Derksen, Rick. Etymological Dictionary of the Slavic Inherited Lexicon. Brill, 2008, page 51.