Where does “Bulgărescu” come from?

Bulgărescu (Romanian) comes from Romanian Bulgaru, from Romanian bulgar, 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.

Ancestry of “Bulgărescu”, step by step

StepLanguageWordMeaning
1RomanianBulgaru
2RomanianbulgarBulgarian; a Bulgarian man
3Slavicблъгаринъ
4Old Turkic𐰉𐰆𐰞𐰍𐰀to stir; to produce a state of disorder, put in...
5Proto-Turkicbulgardisturber, disturbing
6Proto-Turkicbulga-to stir, stir up; to produce a state of disorder
Every word from Proto-Turkic bulga-Every word from Proto-Turkic bulgarEvery word from Old Turkic 𐰉𐰆𐰞𐰍𐰀