Etymologically

complacentia

Etymology and origin of the Latin word complacentia

Confidence
Established
Formation
Derivation
First attested
c. 383–420 Jerome, commentary on Jeremiah More words from the 4th century
Ultimate origin
Latin complaceō
Etymology tree
inherited borrowed derived
Latin complacentia
English complacency

Forms

complacentia f (genitive complacentiae); first declension[1][2] Medieval spellings include complacencia and conplacentia.[3][4]

Etymology

It is from Latin complaceō (“to please greatly”), from its present participle stem ⟨complacent-⟩.[2][5][6]

Earliest recorded meaning

It appears in Jerome's commentary on Jeremiah, of what pleases: deserui eum et nulla est in illo mihi complacentia, “I have left him, and I take no pleasure in him”.[2][1]

Semantic evolution

Medieval Latin used it widely for satisfaction, pleasure and enjoyment,[7][8][9] for goodwill, favour and approval,[7][8][3] and for someone's pleasure or wish, often in the formulas of charters and letters.[7][10][4] It also meant a favour or service done to please someone.[8][11][4] The scholastics used it for the pleasure taken in an act: Albert the Great calls delight a joy arising from the complacentia of an action.[8]

English complacence (mid-15th century) comes from it.[6]

Timeline

  • c. 383–419/420 AD – Jerome uses it in his commentary on Jeremiah.[2][5]
  • 1241 – In a letter, Adam Marsh writes of someone giving up a lawsuit out of regard for the king's pleasure.[9]
  • 1438 – A document from Nîmes promises the townspeople great pleasure from willows planted around the city's spring.[11]
  • 1443–1445 – Schlick uses it in a letter of the Piccolomini correspondence.[12]
  • mid-15th century – English complacence is first recorded, meaning pleasure or gratification.[6]

Meanings

Noun

  1. That which pleases; delight.[2][1]
  2. (Medieval Latin) satisfaction, pleasure, enjoyment.[7][8][9]
  3. (Medieval Latin) goodwill, favour, approval.[7][8][3]
  4. (Medieval Latin) Someone's pleasure or wish.[7][4]
  5. (Medieval Latin) A favour or service done to please someone.[8][11][4]
  6. (Medieval Latin) A source of pleasure; an embellishment.[9]
  • complaceo
  • English complacence

References

  1. ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  2. ^ a b c d e Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  3. ^ a b c Bartal, Antal, et al. (1987–), Lexicon Latinitatis Medii Aevi Hungariae, Budapest: Akadémiai Kiadó; online ed. ELTE
  4. ^ a b c d e Lexicon mediae et infimae Latinitatis Polonorum (1953–), Kraków: Instytut Języka Polskiego PAN; electronic ed. elexicon.scriptores.pl
  5. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ a b c d e f Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  8. ^ a b c d e f g Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  9. ^ 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
  10. ^ 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
  11. ^ a b c du Cange, Charles du Fresne, et al. (1883–1887), Glossarium mediae et infimae latinitatis, augmented ed. by Léopold Favre, Niort: L. Favre
  12. ^ Ramminger, Johann, Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700, www.neulatein.de
Cite this entry

“Complacentia.” Etymologically, 13 Nov. 2026, etymologically.com/la/complacentia. Accessed 13 Nov. 2026.

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