Reconstruction:Proto-Slavic/ostьnъ

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 Proto-Balto-Slavic *aśtinas (*akstinas?). Equivalent to *ostь +‎ *-ьnъ. Cognate with Lithuanian ãkstinas.

Noun

*ostьnъ m

sharp point

Inflection

Declension of *ostь̀nъ (hard o-stem, accent paradigm b)

	Singular	Dual	Plural
Nominative	*ostь̀nъ	*ostьnà	*ostьnì
Accusative	*ostь̀nъ	*ostьnà	*ostьnỳ
Genitive	*ostьnà	*ostьnù	*ostь̀nъ
Locative	*ostьně̀	*ostьnù	*ostь̀něxъ
Dative	*ostьnù	*ostьnòma	*ostьnòmъ
Instrumental	ostьnъ̀mь, ostьnòmь^*	*ostьnòma	*ostь̀ny
Vocative	*ostьne	*ostьnà	*ostьnì

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

Related terms

*ostrъ

Descendants

East Slavic:
- Old East Slavic: остьнъ (ostĭnŭ)
  - Russian: осте́н (ostén) (dialectal)
South Slavic:
- Old Church Slavonic:
  Old Cyrillic: остьнъ (ostĭnŭ)
  Glagolitic: ⱁⱄⱅⱐⱀⱏ (ostĭnŭ)
- Bulgarian: осте́н (ostén)
- Serbo-Croatian:
  Cyrillic: о̀стан
  Latin: òstan
- Slovene: osten
West Slavic:
- Czech: osten
- Polish: oścień
- Slovak: osteń

References

Derksen, Rick (2008), “*”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 380
Vasmer, Max (1964–1973), “осте́н”, in Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), transl. and suppl. by Oleg Trubachyov, Moscow: Progress