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A contraction of opificium, from earlier *opi-fak-io-, an old derivative of ops, opis (power, ability, resources).


  • (Classical) IPA(key): /ofˈ, [ɔfˈfɪ.ki.ʊ̃ˑ]
  • (Ecclesiastical) IPA(key): /ofˈfi.t͡ʃ, [ɔfˈfiː.t͡ʃ]
  • (file)


officium n (genitive officiī or officī); second declension

  1. duty, service
  2. office
  3. (figuratively) obligation, an obligatory service, visit, or gesture


Second-declension noun (neuter).

Case Singular Plural
Nominative officium officia
Genitive officiī
Dative officiō officiīs
Accusative officium officia
Ablative officiō officiīs
Vocative officium officia

1Found in older Latin (until the Augustan Age).

Derived terms[edit]



  • officium in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • officium in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • officium in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • officium in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to perform the last offices of affection: supremis officiis aliquem prosequi (vid sect. VI. 11., note Prosequi...)
    • to do one's duty: officium suum facere, servare, colere, tueri, exsequi, praestare
    • to fulfil one's duty in every detail: omnes officii partes exsequi
    • to fulfil one's duty in every detail: nullam officii partem deserere
    • to be exact, punctual in the performance of one's duty: diligentem esse in retinendis officiis
    • to neglect one's duty: officium suum deserere, neglegere
    • to return to one's duties: ad officium redire
    • it is a breach of duty to..: contra officium est c. Inf.
    • we are united by many mutual obligations: multa et magna inter nos officia intercedunt (Fam. 13. 65)
    • to be courteous, obliging to some one: in aliquem officia conferre
    • to be courteous, obliging to some one: aliquem officiis suis complecti, prosequi
    • a most courteous letter: litterae officii or humanitatis plenae
    • to reduce a people to their former obedience: aliquem ad officium (cf. sect. X. 7, note officium...) reducere (Nep. Dat. 2. 3)
    • (ambiguous) to perform the last rites for a person: supremo officio in aliquem fungi
    • (ambiguous) to do one's duty: officio suo satisfacere (Div. in Caec. 14. 47)
    • (ambiguous) to do one's duty: officio suo fungi
    • (ambiguous) to neglect one's duty: ab officio discedere
    • (ambiguous) to neglect one's duty: de, ab officio decedere
    • (ambiguous) to neglect one's duty: officio suo deesse (Fam. 7. 3)
    • (ambiguous) to remain faithful to one's duty: in officio manere (Att. 1. 3)
    • (ambiguous) to let oneself be perverted from one's duty: ab officio abduci, avocari
    • (ambiguous) without violating, neglecting one's duty: salvo officio (Off. 3. 1. 4)
    • (ambiguous) to keep good discipline amongst one's men: milites coercere et in officio continere (B. C. 1. 67. 4)
    • (ambiguous) to keep some one in subjection: aliquem in officio continere
    • (ambiguous) to remain in subjection: in officio manere, permanere