Reconstruction:Proto-Slavic/ostroga

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

Alternative forms

*ostrogъ

Etymology

From *ostrъ +‎ *-oga.

Noun

*ostroga f

goad?, spur?
Synonym: *bodьcь

Inflection

Declension of *ostroga (hard a-stem)

	Singular	Dual	Plural
Nominative	*ostroga	*ostrodzě	*ostrogy
Accusative	*ostrogǫ	*ostrodzě	*ostrogy
Genitive	*ostrogy	*ostrogu	*ostrogъ
Locative	*ostrodzě	*ostrogu	ostrogasъ, ostrogaxъ^*
Dative	*ostrodzě	*ostrogama	*ostrogamъ
Instrumental	ostrogojǫ, ostrogǫ^**	*ostrogama	*ostrogami
Vocative	*ostrogo	*ostrodzě	*ostrogy

^* -asъ is the expected Balto-Slavic form but is found only in some Old Czech documents; -axъ is found everywhere else and is formed by analogy with other locative plurals in -xъ.
^** 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).

Related terms

nouns

*esetь
*os(ь)la
*ostь
*ostьnъ

Descendants

East Slavic:
- ⇒ Old East Slavic: острогатъ (ostrogatŭ)
- Russian: остро́г (ostróg), острога́ (ostrogá), остро́га (ostróga) (dialectal)
- Ukrainian: остро́га (ostróha)
South Slavic:
- Serbo-Croatian:
  Cyrillic: о̏струга
  Latin: ȍstruga
- Slovene: ostróga (tonal orthography)
West Slavic:
- Czech: ostroh, ostruha
- Polabian: våstrügă
- Old Polish: ostroga
  - Polish: ostroga
- Slovak: ostroha
- Sorbian:
  Lower Sorbian: wótšog, wótšoga

Non-Slavic:
- → Hungarian: ösztöke