出典:Wiktionary
Borrowed from Ancient Greek γενεθλιακός (genethliakós), derived from γενέθλια (genéthlia, “birthday celebrations”), noun use of the neuter plural form of γενέθλιος (genéthlios, “pertaining to one's birthday”).
First/second-declension adjective.
| Number | Singular | Plural | |||||
|---|---|---|---|---|---|---|---|
| Case / Gender | Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
| Nominative | genethliacus | genethliaca | genethliacum | genethliacī | genethliacae | genethliaca | |
| Genitive | genethliacī | genethliacae | genethliacī | genethliacōrum | genethliacārum | genethliacōrum | |
| Dative | genethliacō | genethliacō | genethliacīs | ||||
| Accusative | genethliacum | genethliacam | genethliacum | genethliacōs | genethliacās | genethliaca | |
| Ablative | genethliacō | genethliacā | genethliacō | genethliacīs | |||
| Vocative | genethliace | genethliaca | genethliacum | genethliacī | genethliacae | genethliaca | |