Where does “безумец” come from?

безумец (Russian) comes from Russian у́м, from Old East Slavic умъ, from Proto-Slavic umъ, from Proto-Indo-European h₂ew-m-, from Proto-Indo-European h₂ew- — to enjoy; to consume; to perceive, see, to be...

безумец (Russian): madman, lunatic; madcap

Definitions

  1. madman, lunatic; madcap

Ancestry of “безумец”, step by step

безумец traces back through two separate lines of ancestry.

via Russian у́м

StepLanguageWordMeaning
1Russianу́мmind
2Old East Slavicумъmind, intellect
3Proto-Slavicumъmind
4Proto-Indo-Europeanh₂ew-m-—
5Proto-Indo-Europeanh₂ew-to enjoy; to consume; to perceive, see, to be...

via Russian без

StepLanguageWordMeaning
1Russianбезwithout; minus
2Proto-Slavicbezwithout
3Proto-Indo-European*bʰeǵʰs—
Every word from Proto-Indo-European h₂ew- →Every word from Proto-Indo-European h₂ew-m- →Every word from Proto-Slavic umъ →