< Reconstruction:Proto-Slavic

Reconstruction:Proto-Slavic/ostь

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 *akstis, probably from Proto-Indo-European *h₂eḱ- (“sharp”).

Noun

*ostь f

  1. sharp point
  2. awl
  3. fishbone

Declension
Declension of *ostь (i-stem)
singular dual plural
nominative *ostь *osti *osti
genitive *osti *ostьju, *osťu* *ostьjь, *osti*
dative *osti *ostьma *ostьmъ
accusative *ostь *osti *osti
instrumental *ostьjǫ, *osťǫ* *ostьma *ostьmi
locative *osti *ostьju, *osťu* *ostьxъ
vocative *osti *osti *osti
* 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:
    • Russian: ость (ostʹ)
  • South Slavic:
    • Slovene: ȏst (tonal orthography)
  • West Slavic:

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