出典:Wiktionary
Borrowed from Ancient Greek Ἰωνᾱ́θης (Iōnā́thēs), itself from Biblical Hebrew יְהוֹנָתָן (Yehonatán).
First-declension noun (masculine Greek-type with nominative 単数形 in -ās), singular only.
| Case | Singular |
|---|---|
| Nominative | Iōnāthās |
| Genitive | Iōnāthae |
| Dative | Iōnāthae |
| Accusative | Iōnāthān |
| Ablative | Iōnāthā |
| Vocative | Iōnāthā |