出典:Wiktionary
Maybe from the same Proto-Indo-European root as Ancient Greek ὀρύα (orúa, “kind of sausage”).
First declension.
| Case | Singular | Plural |
|---|---|---|
| nominative | arvīna | arvīnae |
| genitive | arvīnae | arvīnārum |
| dative | arvīnae | arvīnīs |
| accusative | arvīnam | arvīnās |
| ablative | arvīnā | arvīnīs |
| vocative | arvīna | arvīnae |