бъ́лгарин (Bulgarian) comes from Slavic блъгаринъ, from Old Turkic 𐰉𐰆𐰞𐰍𐰀, from Proto-Turkic bulgar, from Proto-Turkic bulga- — to stir, stir up; to produce a state of disorder.
бъ́лгарин (Bulgarian): male Bulgarian