出典:Wiktionary
出典:『Wiktionary』 (2026/04/27 22:55 UTC 版)
Uncertain. According to Sihler, the term may be a borrowing from Umbrian, where—unlike Latin—the regular outcome of Proto-Italic *-ew- or *-ow- was ō. De Vaan suggests that the term ultimately derives from Proto-Italic *rouðos, though he suggests that the long ō is probably a dialectal feature.
rōbus (feminine rōba, neuter rōbum); first/second-declension adjective
First/second-declension adjective.
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | rōbus | rōba | rōbum | rōbī | rōbae | rōba | |
| genitive | rōbī | rōbae | rōbī | rōbōrum | rōbārum | rōbōrum | |
| dative | rōbō | rōbae | rōbō | rōbīs | |||
| accusative | rōbum | rōbam | rōbum | rōbōs | rōbās | rōba | |
| ablative | rōbō | rōbā | rōbō | rōbīs | |||
| vocative | rōbe | rōba | rōbum | rōbī | rōbae | rōba | |
Second-declension noun.
| singular | plural | |
|---|---|---|
| nominative | rōbus | rōbī |
| genitive | rōbī | rōbōrum |
| dative | rōbō | rōbīs |
| accusative | rōbum | rōbōs |
| ablative | rōbō | rōbīs |
| vocative | rōbe | rōbī |
rōbus n (genitive rōboris); third declension
Third-declension noun (neuter, imparisyllabic non-i-stem).
| singular | plural | |
|---|---|---|
| nominative | rōbus | rōbora |
| genitive | rōboris | rōborum |
| dative | rōborī | rōboribus |
| accusative | rōbus | rōbora |
| ablative | rōbore | rōboribus |
| vocative | rōbus | rōbora |