Where does “слабоумие” come from?

слабоумие (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...

слабоумие (Russian): dementia; stupidity, idiocy

Definitions

  1. dementia; stupidity, idiocy

Ancestry of “слабоумие”, step by step

слабоумие 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 сла́бый

StepLanguageWordMeaning
1Russianсла́быйweak
2Proto-Slavicslàbъweak
3Proto-Indo-European(s)leh₂b-to hang loosely, be weak; to be weak, limp,...

Words derived from “слабоумие”

Every word from Proto-Indo-European h₂ew- →Every word from Proto-Indo-European h₂ew-m- →Every word from Proto-Slavic umъ →
слабоумие — Etymology, Origin & Word History | Etymology Explorer