-aceus
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Latin
[edit]Alternative forms
[edit]- -ācius (Late Latin, misspelling)
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.
| Number | Singular | Plural | |||||
|---|---|---|---|---|---|---|---|
| Case / Gender | Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
| Nominative | -āceus | -ācea | -āceum | -āceī | -āceae | -ācea | |
| Genitive | -āceī | -āceae | -āceī | -āceōrum | -āceārum | -āceōrum | |
| Dative | -āceō | -āceō | -āceīs | ||||
| Accusative | -āceum | -āceam | -āceum | -āceōs | -āceās | -ācea | |
| Ablative | -āceō | -āceā | -āceō | -āceīs | |||
| Vocative | -ācee | -ācea | -āceum | -āceī | -āceae | -ācea | |