Where does “буян” come from?

буян (Russian) comes from Russian бу́йный, from Proto-Slavic bujьnъ — vivid, exuberant, impetuous; stormy, rapid,...

буян (Russian): brawler, rowdy, ruffian

Definitions

  1. brawler, rowdy, ruffian

Ancestry of “буян”, step by step

буян traces back through two separate lines of ancestry.

via Russian бу́йный

StepLanguageWordMeaning
1Russianбу́йныйimpetuous, wild, violent, vehement
2Proto-Slavicbujьnъvivid, exuberant, impetuous; stormy, rapid,...

via Proto-Slavic bujati

StepLanguageWordMeaning
1Proto-Slavicbujatito grow rapidly, to thrive; to rage
Every word from Proto-Slavic bujьnъEvery word from Russian бу́йный