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Alternative forms[edit]


From afficiō (exert an influence on the body or mind).



affectiō f (genitive affectiōnis); third declension

  1. The relation or disposition towards something produced in a person.
  2. A change in the state of the body or mind of a person; feeling, emotion.
  3. Love, affection or good will towards somebody.
  4. Will, volition, inclination.


Third declension.

Case Singular Plural
nominative affectiō affectiōnēs
genitive affectiōnis affectiōnum
dative affectiōnī affectiōnibus
accusative affectiōnem affectiōnēs
ablative affectiōne affectiōnibus
vocative affectiō affectiōnēs

Related terms[edit]



  • affectio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • affectio in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • affectio in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • a good constitution: firma corporis constitutio or affectio
    • humour; disposition: animi affectio or habitus (De Inv. 2. 5)