Reconstruction:Proto-Slavic/radostь

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 *radъ (“happy, glad”) +‎ *-ostь (“-ness”).

Noun

*radostь f

joy, happiness
gladness

Declension

Declension of *radostь (i-stem)

	Singular	Dual	Plural
Nominative	*radostь	*radosti	*radosti
Accusative	*radostь	*radosti	*radosti
Genitive	*radosti	radostьju, radosťu^*	radostьjь, radosti^*
Locative	*radosti	radostьju, radosťu^*	*radostьxъ
Dative	*radosti	*radostьma	*radostьmъ
Instrumental	radostьjǫ, radosťǫ^*	*radostьma	*radostьmi
Vocative	*radosti	*radosti	*radosti

^* 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).

Derived terms

*neradostь (“concern, worry”) (antonym)
*radostiti (“to make happy”)
*radostьnъ (“glad”)

Related terms

*radina (“joyness”)

Descendants

East Slavic:
- Old East Slavic: радость (radostĭ)
  - Old Belarusian: радость (radostʹ)
    - Belarusian: ра́дасць (rádascʹ)
  - Russian: ра́дость (rádostʹ)
  - Ukrainian: ра́дість (rádistʹ)
South Slavic:
- Old Church Slavonic: радость (radostĭ)
- Bulgarian: ра́дост (rádost)
- Macedonian: радост (radost)
- Serbo-Croatian:
  Cyrillic: ра̏до̄ст
  Latin: rȁdōst
- Slovene: radọ̑st (tonal orthography), rádost
West Slavic:
- Old Czech: radost
  - Czech: radost
- Polabian: rådüst
- Polish: radość
- Slovak: radosť