Reconstruction:Proto-Slavic/osь

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

Etymology tree

Proto-Indo-European *h₂eǵ-?

Proto-Indo-European *-os?

Proto-Indo-European *h₂eḱs-

Proto-Indo-European *-is

Proto-Balto-Slavic *aśís

Proto-Slavic *osь

From Proto-Balto-Slavic *aśís, from Proto-Indo-European *h₂eḱs-.

Noun

*ȍsь f^[1]

axis, axle

Inflection

Declension of *ȍsь (i-stem, accent paradigm c)
	singular	dual	plural
nominative	*ȍsь	*ȍsi	*ȍsi
genitive	*osí	osьjù, ošu^*	*osь̀jь
dative	*ȍsi	*osьmà	*ȍsьmъ
accusative	*ȍsь	*ȍsi	*ȍsi
instrumental	*osьjǫ́	*osьmà	*osьmì
locative	*osí	osьjù, ošu^*	*ȍsьxъ
vocative	*osi	*ȍsi	*ȍsi

^* The second form occurs in languages that contract early across /j/ (e.g. Czech), while the first form occurs in languages that do not (e.g. Russian).

Descendants

East Slavic:
- Old East Slavic: ось (osĭ)
  - Belarusian: вось (vosʹ)
  - Russian: ось (osʹ)
  - Ukrainian: вісь (visʹ), genitive: о́сі (ósi)
South Slavic:
- Old Church Slavonic: ось (osĭ)
- Bulgarian: ос (os)
- ⇒ Macedonian: оска (oska)
- Serbo-Croatian:
  Cyrillic script: о̑с, о̑са
  
  Latin script: ȏs, ȏsa
- Slovene: ọ̑s (tonal orthography)
West Slavic:
- Czech: osa
- Polabian: vis
- Polish: oś
- Slovak: os
- Sorbian:
  - Lower Sorbian: wós
  - Upper Sorbian: wóřs
Non-Slavic:
- → Romanian: osie

References

^ Derksen, Rick (2008) “*ȏsь”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 380: “f. i (c) ‘axle, axis’”

[1] Derksen, Rick (2008) “*ȏsь”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 380: “f. i (c) ‘axle, axis’”

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