出典:Wiktionary
出典:『Wiktionary』 (2026/03/03 20:46 UTC 版)
From Proto-Germanic *arbijô, whence also Old High German arbeo, Old Norse arfi.
Weak:
| singular | plural | |
|---|---|---|
| nominative | ierfa | ierfan |
| accusative | ierfan | ierfan |
| genitive | ierfan | ierfena |
| dative | ierfan | ierfum |