Reconstruction:Proto-Slavic/o(b)pasьnostь

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 *o(b)pasьnъ (“vigilant, wary”) +‎ *-ostь (“-ness”).

Noun

*o(b)pasьnostь f

attentiveness, wariness
(by extension) danger

Inflection

Declension of *o(b)pasьnostь (i-stem)

	Singular	Dual	Plural
Nominative	*o(b)pasьnostь	*o(b)pasьnosti	*o(b)pasьnosti
Accusative	*o(b)pasьnostь	*o(b)pasьnosti	*o(b)pasьnosti
Genitive	*o(b)pasьnosti	o(b)pasьnostьju, o(b)pasьnosťu^*	o(b)pasьnostьjь, o(b)pasьnosti^*
Locative	*o(b)pasьnosti	o(b)pasьnostьju, o(b)pasьnosťu^*	*o(b)pasьnostьxъ
Dative	*o(b)pasьnosti	*o(b)pasьnostьma	*o(b)pasьnostьmъ
Instrumental	o(b)pasьnostьjǫ, o(b)pasьnosťǫ^*	*o(b)pasьnostьma	*o(b)pasьnostьmi
Vocative	*o(b)pasьnosti	*o(b)pasьnosti	*o(b)pasьnosti

^* 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: опасность (opasnostĭ)
  - Russian: опа́сность (opásnostʹ)
South Slavic:
- Bulgarian: опа́сност (opásnost)
- Macedonian: опасност (opasnost)
- Serbo-Croatian:
  Cyrillic: опа́сно̄ст
  
  Latin: opásnōst
- Slovene: opásnost (tonal orthography)