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Alternative forms[edit]


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Ultimately akin to English -ed.


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

  1. -ed. Used to form perfect passive participles of first-conjugation verbs.
  2. -ate, -like. Used to form adjectives from nouns.

Usage notes[edit]

The suffix -ātus is added to a first-conjugation verb to form its perfect passive participle.

amātus (loved, having been loved), from amō (I love)

The suffix -ātus may be added to a noun (or adjective) to form an adjective indicating passive qualities of that noun (or adjective).

rēticulātus (reticulated, net-like), from rēticulum (small net)
albātus (clothed in white), from albus (white)


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 -ātae -ātō -ātīs -ātīs -ātīs
accusative -ātum -ātam -ātum -ātōs -ātās -āta
ablative -ātō -ātā -ātō -ātīs -ātīs -ātīs
vocative -āte -āta -ātum -ātī -ātae -āta

Derived terms[edit]