Reconstruction:Proto-Slavic/čistostь

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 *čistъ (“clean, pure”) +‎ *-ostь (“-ness”).

Noun

*čistostь f

cleanness, cleanliness
purity

Declension

Declension of *čistostь (i-stem, uncountable)

	Singular
Nominative	*čistostь
Accusative	*čistostь
Genitive	*čistosti
Locative	*čistosti
Dative	*čistosti
Instrumental	čistostьjǫ, čistosťǫ^*
Vocative	*čistosti

^* 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).

Synonyms

*čistota

Descendants

East Slavic:
- Old East Slavic: чистость (čistostĭ)
  - Belarusian: чы́стасць (čýstascʹ)
  - Russian: чи́стость (čístostʹ) (rare)
  - Ukrainian: чи́стість (čýstistʹ)
South Slavic:
- Old Church Slavonic:
  Cyrillic: чистость (čistostĭ)
  Glagolitic: ⱍⰺⱄⱅⱁⱄⱅⱐ (čistostĭ)
- Serbo-Croatian:
  Cyrillic: чи̏сто̄ст
  Latin: čȉstōst
- Slovene: čístost
West Slavic:
- Czech: čistost
- Polish: czystość
- Slovak: čistosť (archaic)
- Sorbian:
  - Upper Sorbian: čistosć
  - Lower Sorbian: cystosć

References

Trubachyov, Oleg, editor (1977), “*čistostь”, in Этимологический словарь славянских языков [Etymological Dictionary of Slavic Languages] (in Russian), issue 4 (*čaběniti – *děľa), Moscow: Nauka, page 120
Sławski, Franciszek, editor (1976), “*čistostь”, in Słownik prasłowiański [Proto-Slavic Dictionary] (in Polish), volume 2 (caca – davьnota), Wrocław: National Ossoliński Institute, page 211