Etymologically

coïncidence

Etymology and origin of the French word coïncidence

Confidence
Established
Formation
Borrowing
First attested
1464 Lagadeuc, Catholicon More words from the 15th century
Borrowed from
Latin coincidentia
Ultimate origin
Latin cadō
Etymology tree
inherited borrowed derived
Latin coincidentia
French coïncidence
English coincidence
Romanian coincidență

Pronunciation

  • /kɔ.ɛ̃.si.dɑ̃s/[1]

Forms

coïncidence f (plural coïncidences)[1] First recorded as coincidance and coïcidance in 1464.[2][3]

Etymology

It is borrowed from Medieval Latin coincidentia,[2][1][3] a neuter plural of the present participle of coincidō taken as a noun and then treated as a feminine singular.[2][3] The Medieval Latin word is recorded from the 13th century.[2] The Grand Robert and the Petit Robert instead derive it from coïncider, and the Académie allows both views.[4][5][6] The scholastic Latin verb means literally “to fall together”, from incidō (“to fall upon”),[7] itself from cadō (“to fall”).[8]

Earliest recorded meaning

The first record is in Lagadeuc's Catholicon of 1464, as coincidance glossing Latin coincidentia;[2] the sense was “likeness, similarity”.[4][5][3]

Semantic evolution

Like the verb coïncider, the word moved from the learned sense of an intellectual likeness to a spatial sense in geometry, the exact fit of two figures laid on one another (1753, in the Encyclopédie), and then to the everyday sense in time.[3][2] Volney used it in 1791 of a chance meeting of events,[2] while the GLLF dates the sense of things existing at the same time to the Académie dictionary of 1835.[9]

The English word coincidence was taken from French about 1600.[8]

Timeline

  • 1464 – Coincidance appears in Lagadeuc's Catholicon.[2]
  • c. 1600 – English coincidence is borrowed from French.[8]
  • 1753 – The Encyclopédie defines its geometrical sense.[2][9]
  • 1791 – Volney uses it for a chance meeting of events.[2][3]
  • 1835 – The Académie records the sense “things happening at the same time”.[9]

Meanings

Noun

  1. (geometry) The state of two figures that can be laid on one another so that they match point for point.[5][2][10]
  2. The fact of things happening at the same time or matching, simultaneity.[5][6]
  3. A chance concurrence of events[5][10]
  4. (electronics) A circuit that checks that pulses from several detectors belong to one physical event.[10]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k Trésor de la langue française informatisé (2004), ATILF – CNRS & Université de Lorraine, atilf.fr/tlfi; electronic version of Imbs, Paul; Quemada, Bernard, eds. (1971–1994), Trésor de la langue française, Paris: CNRS / Gallimard
  3. ^ a b c d e f Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  4. ^ a b Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  5. ^ a b c d e Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  6. ^ a b Académie française (1992–2024), Dictionnaire de l'Académie française, 9th ed., Paris: Académie française / Fayard / Imprimerie nationale
  7. ^ Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  8. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  9. ^ a b c Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  10. ^ a b c Dictionnaire de français Larousse, larousse.fr/dictionnaires/francais (accessed 2024)

Related etymologies

Cite this entry

“Coïncidence.” Etymologically, 14 Nov. 2026, etymologically.com/fr/co%C3%AFncidence. Accessed 15 Nov. 2026.

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