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See also: æon



aeon (plural aeons)

  1. (Australia, New Zealand, Britain) Alternative spelling of eon
    • 1892, Rudyard Kipling, When Earth's Last Picture is Painted (L’Envoi to 'The Seven Seas'):
      When Earth's last picture is painted, and the tubes are twisted and dried,/ When the oldest colors have faded, and the youngest critic has died,/ We shall rest, and, faith, we shall need it -- lie down for an aeon or two,/Till the Master of All Good Workmen shall put us to work anew.
  2. (Gnosticism, preferred spelling, with æon) A spirit being emanating from the Godhead.




Borrowed from Ancient Greek αἰών (aiṓn, age, eternity).



aeōn m (genitive aeōnis); second declension

  1. (Late Latin) age, eternity
  2. (Late Latin) the Gnostic Aeons


Third declension.

Case Singular Plural
nominative aeōn aeōnēs
genitive aeōnis aeōnum
dative aeōnī aeōnibus
accusative aeōnem aeōnēs
ablative aeōne aeōnibus
vocative aeōn aeōnēs


  • aeon in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • du Cange, Charles (1883), “aeon”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • aeon in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français [Illustrated Latin-French Dictionary], Hachette
  • aeon in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers