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ad- +‎ cessiō (surrendering)


accessiō f (genitive accessiōnis); third declension

  1. approach
  2. onset
  3. increase, addition


Third declension.

Case Singular Plural
nominative accessiō accessiōnēs
genitive accessiōnis accessiōnum
dative accessiōnī accessiōnibus
accusative accessiōnem accessiōnēs
ablative accessiōne accessiōnibus
vocative accessiō accessiōnēs



  • accessio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • accessio in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • du Cange, Charles (1883), “accessio”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • accessio” in Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • the addition of a few years: accessio paucorum annorum
  • accessio in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • accessio in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700[2], pre-publication website, 2005-2016
  • accessio in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin