From Proto-Balto-Slavic *-iškas, from Proto-Indo-European *-iskos. Akin to Latvian -isks, Lithuanian -iškas, Proto-Germanic *-iskaz, Latin -iscus, Ancient Greek -ίσκος (-ískos).
*-ьskъ
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | *-ьskъ | *-ьska | *-ьsko |
genitive | *-ьska | *-ьsky | *-ьska |
dative | *-ьsku | *-ьscě | *-ьsku |
accusative | *-ьskъ | *-ьskǫ | *-ьsko |
instrumental | *-ьskomь | *-ьskojǫ | *-ьskomь |
locative | *-ьscě | *-ьscě | *-ьscě |
vocative | *-ьšče | *-ьsko | *-ьsko |
dual | masculine | feminine | neuter |
nominative | *-ьska | *-ьscě | *-ьscě |
genitive | *-ьsku | *-ьsku | *-ьsku |
dative | *-ьskoma | *-ьskama | *-ьskoma |
accusative | *-ьska | *-ьscě | *-ьscě |
instrumental | *-ьskoma | *-ьskama | *-ьskoma |
locative | *-ьsku | *-ьsku | *-ьsku |
vocative | *-ьska | *-ьscě | *-ьscě |
plural | masculine | feminine | neuter |
nominative | *-ьsci | *-ьsky | *-ьska |
genitive | *-ьskъ | *-ьskъ | *-ьskъ |
dative | *-ьskomъ | *-ьskamъ | *-ьskomъ |
accusative | *-ьsky | *-ьsky | *-ьska |
instrumental | *-ьsky | *-ьskami | *-ьsky |
locative | *-ьscěxъ | *-ьskaxъ | *-ьscěxъ |
vocative | *-ьsci | *-ьsky | *-ьska |
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | *-ьskъjь | *-ьskaja | *-ьskoje |
genitive | *-ьskajego | *-ьskyję̇ | *-ьskajego |
dative | *-ьskujemu | *-ьscěji | *-ьskujemu |
accusative | *-ьskъjь | *-ьskǫjǫ | *-ьskoje |
instrumental | *-ьskyjimь | *-ьskǫjǫ | *-ьskyjimь |
locative | *-ьscějemь | *-ьscěji | *-ьscějemь |
vocative | *-ьskъjь | *-ьskaja | *-ьskoje |
dual | masculine | feminine | neuter |
nominative | *-ьskaja | *-ьscěji | *-ьscěji |
genitive | *-ьskuju | *-ьskuju | *-ьskuju |
dative | *-ьskyjima | *-ьskyjima | *-ьskyjima |
accusative | *-ьskaja | *-ьscěji | *-ьscěji |
instrumental | *-ьskyjima | *-ьskyjima | *-ьskyjima |
locative | *-ьskuju | *-ьskuju | *-ьskuju |
vocative | *-ьskaja | *-ьscěji | *-ьscěji |
plural | masculine | feminine | neuter |
nominative | *-ьsciji | *-ьskyję̇ | *-ьskaja |
genitive | *-ьskъjixъ | *-ьskъjixъ | *-ьskъjixъ |
dative | *-ьskyjimъ | *-ьskyjimъ | *-ьskyjimъ |
accusative | *-ьskyję̇ | *-ьskyję̇ | *-ьskaja |
instrumental | *-ьskyjimi | *-ьskyjimi | *-ьskyjimi |
locative | *-ьskyjixъ | *-ьskyjixъ | *-ьskyjixъ |
vocative | *-ьsciji | *-ьskyję̇ | *-ьskaja |
Only the definite form of the adjective survives in most languages. However, the indefinite form was still present in Old Church Slavonic.