Etymologically

anniversarium

Etymology and origin of the Latin word anniversarium

Confidence
Established
Formation
Derivation
First attested
859
Ultimate origin
Latin anniversārius
Etymology tree
inherited borrowed derived
French anniversaire
Latin anniversarium

Forms

anniversārium n (genitive anniversāriī); second declension[1][2]

Etymology

It is from Latin anniversārius (“returning every year”), the neuter of that adjective used as a noun.[1][3][4] Etymonline traces the use of the adjective as a noun in Church Latin to its use with diēs (“day”) for saints' days.[4] The adjective is formed from annus (“year”) and ⟨versus⟩ “turned”, from vertō (“to turn”).[4]

Earliest recorded meaning

Köbler finds it first in a charter of 859, and glosses it as a yearly commemoration, an office with a Mass.[1]

Semantic evolution

Niermeyer gives it the senses “birthday”, “commemoration on the day of someone's death”, “anniversary of the ordination of a bishop, abbot or priest” and “obit”, a Mass said yearly on the day of a death.[3] In Bohemia it named the day on which the election or consecration of the pope or a bishop was commemorated.[5] In British sources it is the day on which an obit is kept, the record of it, the Mass or alms of the year's mind, and the payment for such a celebration.[6]

English anniversary, from about 1200, first meant especially the yearly return of the day of a person's death or a saint's martyrdom.[4]

Timeline

  • 859 – A charter uses it of a yearly commemoration.[1]
  • c. 1183 – An English letter orders deans to pay ten shillings on a dean's anniversary.[6]
  • c. 1200 – English anniversary appears, from Medieval Latin.[4]

Meanings

Noun

  1. (Medieval Latin) An anniversary, a yearly commemoration.[1][2]
  2. (Medieval Latin) A birthday.[3][1]
  3. (Medieval Latin) The anniversary of a death; an obit, a Mass said yearly on that day.[3][6]
  4. (Medieval Latin) The anniversary of the ordination of a bishop, abbot or priest, or of the election of a pope.[3][5]
  5. (Medieval Latin) A payment for the celebration of an anniversary.[6]

References

  1. ^ a b c d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  2. ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  3. ^ a b c d e Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  4. ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  5. ^ a b Latinitatis medii aevi lexicon Bohemorum / Slovník středověké latiny v českých zemích (1977–), Prague: Academia; electronic version, Institute of Philosophy of the Czech Academy of Sciences
  6. ^ a b c d Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
Cite this entry

“Anniversarium.” Etymologically, 23 Oct. 2026, etymologically.com/la/anniversarium. Accessed 23 Oct. 2026.

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