Where does “ум-разум” come from?

ум-разум (Russian) comes from Russian ра́зум, from Church Slavonic разоумъ, from Proto-Slavic orzumъ, from Proto-Slavic umъ, from Proto-Indo-European h₂ew-m-, from Proto-Indo-European h₂ew- — to enjoy; to consume; to perceive, see, to be...

ум-разум (Russian): good sense

Definitions

  1. good sense

Ancestry of “ум-разум”, step by step

ум-разум traces back through two separate lines of ancestry.

via Russian ра́зум

StepLanguageWordMeaning
1Russianра́зумreason, mind, intellect
2Church Slavonicразоумъ—
3Proto-Slavicorzumъreason, intellect
4Proto-Slavicumъmind
5Proto-Indo-Europeanh₂ew-m-—
6Proto-Indo-Europeanh₂ew-to enjoy; to consume; to perceive, see, to be...

via Russian у́м

StepLanguageWordMeaning
1Russianу́мmind
2Old East Slavicумъmind, intellect
Every word from Proto-Indo-European h₂ew- →Every word from Proto-Indo-European h₂ew-m- →Every word from Proto-Slavic umъ →