出典:Wiktionary
From plūs, plūris (“many”) + annus (“year”) + -is, following parallel formations such as biennis, perennis, etc.
Third-declension two-termination adjective.
| Number | Singular | Plural | |||
|---|---|---|---|---|---|
| Case / Gender | Masc./Fem. | Neuter | Masc./Fem. | Neuter | |
| Nominative | plūrennis | plūrenne | plūrennēs | plūrennia | |
| Genitive | plūrennis | plūrennium | |||
| Dative | plūrennī | plūrennibus | |||
| Accusative | plūrennem | plūrenne | plūrennēs plūrennīs |
plūrennia | |
| Ablative | plūrennī | plūrennibus | |||
| Vocative | plūrennis | plūrenne | plūrennēs | plūrennia | |