Where does “Bulgarus” come from?

Bulgarus (Late Latin) 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.

Ancestry of “Bulgarus”, step by step

StepLanguageWordMeaning
1Slavicблъгаринъ
2Old Turkic𐰉𐰆𐰞𐰍𐰀to stir; to produce a state of disorder, put in...
3Proto-Turkicbulgardisturber, disturbing
4Proto-Turkicbulga-to stir, stir up; to produce a state of disorder

Words derived from “Bulgarus

Every word from Proto-Turkic bulga-Every word from Proto-Turkic bulgarEvery word from Old Turkic 𐰉𐰆𐰞𐰍𐰀