Reconstruction:Proto-Slavic/-ostь

Etymology
From 🇨🇬, from 🇨🇬. Cognate with 🇨🇬. There are several theories of origin:
 * Cognate with 🇨🇬 (in < ).
 * According to Halla-Aho, by double suffixation /. e.g. →  →.

Has a reconstructed valence “−” (minus), that is, the accent paradigm c.

Usage notes
This suffix was used after hard consonants, as opposed to the variant form that was used with stems ending in a soft, palatal consonant.

Descendants

 * East Slavic:
 * (genitive: )
 * South Slavic:
 * Old Church Slavonic:
 * Cyrillic:
 * Glagolitic:
 * West Slavic:
 * Sorbian
 * West Slavic:
 * Sorbian
 * West Slavic:
 * Sorbian
 * West Slavic:
 * Sorbian
 * West Slavic:
 * Sorbian
 * Sorbian
 * Sorbian
 * Sorbian