Reconstruction:Proto-Slavic/vъzduxъ

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

From *vъz- (“up, above”) +‎ *duxъ, ultimately from Proto-Indo-European *dʰews-, an s-extension of *dʰewh₂- (“to smoke”).

Noun

*vъzduxъ m

deep gasp, sigh
Synonym: *vъzdyšьka
air (secondary, possibly post Common Slavic)

Declension

Declension of *vъzduxъ (hard o-stem)

	singular	dual	plural
nominative	*vъzduxъ	*vъzduxa	*vъzduśi
genitive	*vъzduxa	*vъzduxu	*vъzduxъ
dative	*vъzduxu	*vъzduxoma	*vъzduxomъ
accusative	*vъzduxъ	*vъzduxa	*vъzduxy
instrumental	vъzduxъmь, vъzduxomь^*	*vъzduxoma	*vъzduxy
locative	*vъzduśě	*vъzduxu	*vъzduśěxъ
vocative	*vъzduše	*vъzduxa	*vъzduśi

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

Derived terms

*vъzdušьnъ (adj.)
*vъzduxařь (“one full with air”)

Related terms

*dъxъ (“breath”)
- ⇒ Russian: вздох (vzdox, “sigh”)
*duxъ (“whiff, sprite, spirit”)
- *zaduxъ (“asthma”)
*dyxъ, *dyxanьje (“inhaling”)
- ⇒ Bulgarian: възди́шка (vǎzdíška), въздиха́ние (vǎzdihánie, “sigh”)

Descendants

East Slavic:
- Russian: воздух (vozdux) (spread from Church Slavonic)
  - → Czech: vzduch
  - → Slovak: vzduch
South Slavic:
- Old Church Slavonic: въздоухъ (vŭzduxŭ)
  - → Romanian: văzduh
- Bulgarian: въ́здух (vǎ́zduh)
- Macedonian: воздух (vozduh)
- Serbo-Croatian: (spread from Church Slavonic)
  Cyrillic script: ва̀здух, у̏здух
  
  Latin script: vàzduh, ȕzduh

Vasmer, Max (1964–1973) “воздух”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
Georgiev, Vladimir I., editor (1971), “въздух”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 1 (А – З), Sofia: Bulgarian Academy of Sciences Pubg. House, →ISBN, page 203