< 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
- sharp point
- awl
- fishbone
Declension
Declension of *ostь (i-stem)
| Singular | Dual | Plural | |
|---|---|---|---|
| Nominative | *ostь | *osti | *osti |
| Accusative | *ostь | *osti | *osti |
| Genitive | *osti | *ostьju, *osťu* | *ostьjь, *osti* |
| Locative | *osti | *ostьju, *osťu* | *ostьxъ |
| Dative | *osti | *ostьma | *ostьmъ |
| Instrumental | *ostьjǫ, *osťǫ* | *ostьma | *ostьmi |
| 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:
- Polish: ość
- Slovak: osť
- Sorbian:
- Lower Sorbian: wósć
Further reading
- Vasmer, Max (1964–1973), “ость”, in Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), transl. and suppl. by Oleg Trubachyov, Moscow: Progress