From Proto-Balto-Slavic *-ras, from Proto-Indo-European *-rós. Unlike the Indo-European suffix, the Slavic one could be attached to any-grade (0-, e-, or o-) stems. Cognate with Lithuanian -ras, -rus and Latvian -rs.
*-rъ
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | *-rъ | *-ra | *-ro |
genitive | *-ra | *-ry | *-ra |
dative | *-ru | *-rě | *-ru |
accusative | *-rъ | *-rǫ | *-ro |
instrumental | *-romь | *-rojǫ | *-romь |
locative | *-rě | *-rě | *-rě |
vocative | *-re | *-ro | *-ro |
dual | masculine | feminine | neuter |
nominative | *-ra | *-rě | *-rě |
genitive | *-ru | *-ru | *-ru |
dative | *-roma | *-rama | *-roma |
accusative | *-ra | *-rě | *-rě |
instrumental | *-roma | *-rama | *-roma |
locative | *-ru | *-ru | *-ru |
vocative | *-ra | *-rě | *-rě |
plural | masculine | feminine | neuter |
nominative | *-ri | *-ry | *-ra |
genitive | *-rъ | *-rъ | *-rъ |
dative | *-romъ | *-ramъ | *-romъ |
accusative | *-ry | *-ry | *-ra |
instrumental | *-ry | *-rami | *-ry |
locative | *-rěxъ | *-raxъ | *-rěxъ |
vocative | *-ri | *-ry | *-ra |
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | *-rъjь | *-raja | *-roje |
genitive | *-rajego | *-ryję̇ | *-rajego |
dative | *-rujemu | *-rěji | *-rujemu |
accusative | *-rъjь | *-rǫjǫ | *-roje |
instrumental | *-ryjimь | *-rǫjǫ | *-ryjimь |
locative | *-rějemь | *-rěji | *-rějemь |
vocative | *-rъjь | *-raja | *-roje |
dual | masculine | feminine | neuter |
nominative | *-raja | *-rěji | *-rěji |
genitive | *-ruju | *-ruju | *-ruju |
dative | *-ryjima | *-ryjima | *-ryjima |
accusative | *-raja | *-rěji | *-rěji |
instrumental | *-ryjima | *-ryjima | *-ryjima |
locative | *-ruju | *-ruju | *-ruju |
vocative | *-raja | *-rěji | *-rěji |
plural | masculine | feminine | neuter |
nominative | *-riji | *-ryję̇ | *-raja |
genitive | *-rъjixъ | *-rъjixъ | *-rъjixъ |
dative | *-ryjimъ | *-ryjimъ | *-ryjimъ |
accusative | *-ryję̇ | *-ryję̇ | *-raja |
instrumental | *-ryjimi | *-ryjimi | *-ryjimi |
locative | *-ryjixъ | *-ryjixъ | *-ryjixъ |
vocative | *-riji | *-ryję̇ | *-raja |