出典:Wiktionary
出典:『Wiktionary』 (2015/12/28 22:54 UTC 版)
From Ancient Greek ὑπόγειον (hupógeion), substantivized neuter form of ὑπόγειος (hupógeios, “underground”).
Second declension neuter.
| Case | Singular | Plural |
|---|---|---|
| nominative | hypogaeum | hypogaea |
| genitive | hypogaeī | hypogaeōrum |
| dative | hypogaeō | hypogaeīs |
| accusative | hypogaeum | hypogaea |
| ablative | hypogaeō | hypogaeīs |
| vocative | hypogaeum | hypogaea |