From *divъ (“feral, wild”) + *-ostь.
singular | dual | plural | |
---|---|---|---|
nominative | *divostь | *divosti | *divosti |
genitive | *divosti | *divostьju, *divosťu* | *divostьjь, *divosti* |
dative | *divosti | *divostьma | *divostьmъ |
accusative | *divostь | *divosti | *divosti |
instrumental | *divostьjǫ, *divosťǫ* | *divostьma | *divostьmi |
locative | *divosti | *divostьju, *divosťu* | *divostьxъ |
vocative | *divosti | *divosti | *divosti |
* 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).