-atus

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See also: atus and -átus

Latin[edit]

Etymology 1[edit]

From Proto-Italic *-ātos, from Proto-Indo-European *-eh₂tos. A "pseudo-participle" possibly related to -tus, though similar formations in other Indo-European languages show that it was distinct from it already in Indo-European times.

Cognate to Proto-Slavic *-atъ, Proto-Germanic *-ōdaz (English -ed (having)).

Suffix[edit]

-ātus m (feminine -āta, neuter -ātum); first/second declension

  1. -ed, -ate, -like. Used to form adjectives from nouns indicating the possession of a thing or a quality.
    barba (beard)barbātus (bearded, having a beard)
    rēticulum (small net)rēticulātus (reticulated, net-like)
    albus (white)albātus (clothed in white)
Inflection[edit]

First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative -ātus -āta -ātum -ātī -ātae -āta
genitive -ātī -ātae -ātī -ātōrum -ātārum -ātōrum
dative -ātō -ātō -ātīs
accusative -ātum -ātam -ātum -ātōs -ātās -āta
ablative -ātō -ātā -ātō -ātīs
vocative -āte -āta -ātum -ātī -ātae -āta
Derived terms[edit]
Descendants[edit]

Etymology 2[edit]

By rebracketing of action nouns in -tus, -tūs formed from first conjugation verbs, such as mercātus (mercor + -tus) or pecūlātus (peculor + -tus), where -ā- is actually part of the stem.

Suffix[edit]

-ātus m

  1. Form of -tus appended to nouns
    triumvir + ‎-ātus → ‎triumvirātus
    episcopus + ‎-ātus → ‎episcopātus
    apostolus + ‎-ātus → ‎apostolātus
Inflection[edit]

Fourth declension.

Case Singular Plural
nominative -ātus -ātūs
genitive -ātūs -ātuum
dative -ātuī -ātibus
accusative -ātum -ātūs
ablative -ātū -ātibus
vocative -ātus -ātūs
Derived terms[edit]


Descendants[edit]