Reconstruction:Proto-Slavic/orzumъ

This Proto-Slavic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Slavic

Etymology

Deverbal from *orzuměti.

Noun

*orzumъ m

reason, intellect

Declension

Declension of *orzumъ (hard o-stem)
	singular	dual	plural
nominative	*orzumъ	*orzuma	*orzumi
genitive	*orzuma	*orzumu	*orzumъ
dative	*orzumu	*orzumoma	*orzumomъ
accusative	*orzumъ	*orzuma	*orzumy
instrumental	orzumъmь, orzumomь^*	*orzumoma	*orzumy
locative	*orzumě	*orzumu	*orzuměxъ
vocative	*orzume	*orzuma	*orzumi

^* -ъmь in North Slavic, -omь in South Slavic.

Derived terms

*orzumьnъ

Descendants

East Slavic:
- Old East Slavic: *розумъ (*rozumŭ)
  - Old Ruthenian: ро́зумъ (rózum)
    - Belarusian: ро́зум (rózum)
    - Ukrainian: ро́зум (rózum)
South Slavic:
- Old Church Slavonic: разоумъ (razumŭ)
  - → Old East Slavic: разумъ (razumŭ)
  - → Old Ruthenian: ра́зумъ (rázum)
  - → Russian: ра́зум (rázum)
- Bulgarian: ра́зум (rázum)
- Macedonian: разум (razum)
- Serbo-Croatian:
  Cyrillic script: ра̏зӯм
  
  Latin script: rȁzūm
- Slovene: rázum
West Slavic:
- Old Czech: rozum
  - Czech: rozum
- Old Slovak: rozum
  - Slovak: rozum
  - Pannonian Rusyn: розум (rozum)
- Polish: rozum
- Kashubian: rozëm
- Sorbian:
  - Upper Sorbian: rozum
  - Old Lower Sorbian: rozum
    - Lower Sorbian: rozym

References

Vasmer, Max (1964–1973) “разум”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress