出典:Wiktionary
A derivation from nux (“nut”) has been ascribed from classical times. De Vaan comments this remains semantically attractive, although the -au- cannot be explained.
naucum n (genitive naucī); second declension
Second-declension noun (neuter).
| Case | Singular | Plural |
|---|---|---|
| Nominative | naucum | nauca |
| Genitive | naucī | naucōrum |
| Dative | naucō | naucīs |
| Accusative | naucum | nauca |
| Ablative | naucō | naucīs |
| Vocative | naucum | nauca |