出典:Wiktionary
出典:『Wiktionary』 (2025/10/30 14:28 UTC 版)
Synchronically, from quadriennis + -ium (suffix forming abstract nouns).
quadriennium n (genitive quadrienniī or quadriennī); second declension
Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | quadriennium | quadriennia |
| genitive | quadrienniī quadriennī |
quadrienniōrum |
| dative | quadrienniō | quadrienniīs |
| accusative | quadriennium | quadriennia |
| ablative | quadrienniō | quadrienniīs |
| vocative | quadriennium | quadriennia |