出典:Wiktionary
出典:『Wiktionary』 (2025/05/29 21:12 UTC 版)
The planet known as Neptune was yet undiscovered during the span of time inhabited by Middle English; therefore no planetary sense belonged to the word.
Probably from Proto-Italic *neptūnos, from Proto-Indo-European *nébʰos (“cloud, moisture, mist”), but this is disputed; see Neptune.
Neptūnus m (genitive Neptūnī); second declension
Second-declension noun.
| singular | plural | |
|---|---|---|
| nominative | Neptūnus | Neptūnī |
| genitive | Neptūnī | Neptūnōrum |
| dative | Neptūnō | Neptūnīs |
| accusative | Neptūnum | Neptūnōs |
| ablative | Neptūnō | Neptūnīs |
| vocative | Neptūne | Neptūnī |