出典:Wiktionary
出典:『Wiktionary』 (2026/03/12 19:39 UTC 版)
From Proto-Italic *orsos (perhaps from earlier *orssos), from Proto-Indo-European *h₂ŕ̥tḱos (“bear”); Proto-Italic *o- is unexpected, and may have arisen as a taboo distortion. For the outcome -s- from original *-tḱ-, compare sinō. Doublet of Arctos.
ursus m (genitive ursī); second declension
Second-declension noun.
| singular | plural | |
|---|---|---|
| nominative | ursus | ursī |
| genitive | ursī | ursōrum |
| dative | ursō | ursīs |
| accusative | ursum | ursōs |
| ablative | ursō | ursīs |
| vocative | urse | ursī |