出典:Wiktionary
Borrowed from Transalpine Gaulish; possibly from Proto-Indo-European *h₂ruti-, from *h₂rew- (“to shine”) and cognate to Latin rutilus (see for details).[1]
Rutēnī m pl (genitive Rutēnōrum); second declension
Second-declension noun, plural only.
| Case | Plural |
|---|---|
| Nominative | Rutēnī |
| Genitive | Rutēnōrum |
| Dative | Rutēnīs |
| Accusative | Rutēnōs |
| Ablative | Rutēnīs |
| Vocative | Rutēnī |
Borrowed from Old East Slavic роуси́нъ (rusínŭ).
Rūtēnī m pl (genitive Rūtēnōrum); second declension