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From Proto-Italic *atnos, from Proto-Indo-European *h₂et-nos-, from *h₂et- (to go). Cognate with Gothic 𐌰𐌸𐌽 (aþn, year), dialectal Dutch aden (year), Sanskrit अटति (aṭati, he goes)



annus m (genitive annī); second declension

  1. year
    • 1992, Queen Elizabeth II of the United Kingdom, “Speech to the Guildhall marking the 40th anniversary of Her Majesty’s Accession”:
      1992 is not a year on which I shall look back with undiluted pleasure. In the words of one of my more sympathetic correspondents, it has turned out to be an Annus Horribilis.
    Viginti annos natus est.
    He is twenty years old.
    Abhinc duo annos.
    Two years ago.
  2. time; season

Usage notes[edit]

  • In Ancient Rome, the word annus originally meant "ten months" (from the month martius to december), but later came to mean "twelve months".


Second declension.

Number Singular Plural
nominative annus annī
genitive annī annōrum
dative annō annīs
accusative annum annōs
ablative annō annīs
vocative anne annī

Derived terms[edit]


External links[edit]

  • annus in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879