-aceus
Latin
[edit]Alternative forms
[edit]Etymology
[edit]Derived from the adjectival suffix -āx (“inclined to”) + -eus (suffix indicating origin).
Pronunciation
[edit]- (Classical Latin) IPA(key): /ˈaː.ke.us/, [ˈäːkeʊs̠]
- (modern Italianate Ecclesiastical) IPA(key): /ˈa.t͡ʃe.us/, [ˈäːt͡ʃeus]
Suffix
[edit]-āceus (feminine -ācea, neuter -āceum); first/second-declension suffix
- -aceous; resembling, having the nature of, forming, belonging to
Usage notes
[edit]The suffix -āceus is added to a noun to form an adjective of relationship to that noun.
- membrāna (“membrane”) + -aceus → membrānāceus (“membranaceous”)
Declension
[edit]First/second-declension adjective.
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | -āceus | -ācea | -āceum | -āceī | -āceae | -ācea | |
| genitive | -āceī | -āceae | -āceī | -āceōrum | -āceārum | -āceōrum | |
| dative | -āceō | -āceae | -āceō | -āceīs | |||
| accusative | -āceum | -āceam | -āceum | -āceōs | -āceās | -ācea | |
| ablative | -āceō | -āceā | -āceō | -āceīs | |||
| vocative | -ācee | -ācea | -āceum | -āceī | -āceae | -ācea | |