Etymologically

Etymology and origin of the French word union

Confidence
Established
Formation
Borrowing
First attested
c. 1220 Gui de Cambrai, Barlaam et Josaphat More words from the 13th century
Borrowed from
Latin unio
Ultimate origin
Latin ūnus
Etymology tree
inherited borrowed derived
Latin ūnus
Aromanian un
Catalan un
French un
Italian un
Italian uno
Romanian un
Romanian unu
Spanish uno
Latin ūniō
French oignon
Romanian uni
French réunion
Romanian reuniune
French union
Romanian uniune
French unir
German Union
Italian unione
Italian unire
Spanish unir
From the same root
Latin adūnō ← ūnus
Latin noenum ← ūnus
Latin ūllus ← ūnus
Latin ūna ← ūnus
Latin ūnanimus ← ūnus
Latin ūncia ← ūnus
Latin ūndecim ← ūnus
Latin ūndēvīgintī ← ūnus
Latin ūni- ← ūnus
Latin ūnicornis ← ūnus
Latin ūnicus ← ūnus
Latin ūnilaterālis ← ūnus
Latin ūnisonus ← ūnus
Latin ūnitās ← ūnus
Latin ūniter ← ūnus
Latin ūniversus ← ūnus
Latin ūnusquisque ← ūnus
Romanian unic ← ūnus
Italian ognuno ← uno
Italian qualcuno ← uno
Romanian niciun ← un
Romanian unealtă ← un
Romanian unul ← unu
Italian riunire ← ūniō
Latin reūniō ← ūniō
French réunir ← unir
Italian unito ← unire
Spanish reunir ← unir

Pronunciation

Forms

union f (plural unions)[1] Anglo-Norman also uniun and unium.[2]

Etymology

It is borrowed from Late Latin ūniō (“unity, union”), first in religious use.[3][4][5][1] In Classical Latin ūniō meant “oneness”, the ace at dice, a single large pearl and a kind of onion with a single bulb; the abstract senses “unity” and “union” are those of Late and Church Latin.[6][7][4] The Latin noun is probably formed from Latin ūnus (“one”).[4][5][1] Through the popular route the same Latin word gave oignon “onion”.[4]

Cognate with Occitan unio, Spanish unión and Italian unione.[8]

Earliest recorded meaning

The first record, about 1220 in Gui de Cambrai's Barlaam et Josaphat, uses it of the unity of God in three persons: Ne perdi pas Dex s'union “God did not lose his unity”.[3][8][4]

Semantic evolution

The religious sense “unity” lived on in Old and Middle French only.[3][4] About 1380 the word took the general sense of joining two or more things into a whole, from which l'union des sexes (1761) and union sexuelle (1908) came, and trait d'union “hyphen” (1754).[3][4] At the end of the 14th century Eustache Deschamps uses it for concord and affection between people, a sense behind union nationale and union sacrée (both 1914).[3][4]

From 1636 it named an association of people or groups with a common aim, with the proverb l'union fait la force (1757) and the legal union des créanciers (1807).[3] Molière uses it for marriage, first as union conjugale (1659) and alone in 1670;[3][4] union libre “cohabitation” dates from 1854.[3][4] It also named a union of states (1778), as in les États de l'Union (1801) for the United States, and since 1992 the European Union.[4] Union ouvrière (1872) was a calque of English trade union, later displaced by syndicat.[4]

Timeline

  • c. 1220 – First recorded, in Gui de Cambrai, for the unity of God.[3]
  • c. 1380 – The sense “joining of things into a whole”.[3][7]
  • Late 14th century – Eustache Deschamps uses it for concord between people.[3]
  • 1636 – Monet records it for an association.[3]
  • 1659 – Molière writes l'union conjugale.[3]
  • 1754 – First record of trait d'union.[3]
  • 1757 – The proverb l'union fait la force.[3]
  • 1807 – Union des créanciers in the Commercial Code.[3]
  • 1854 – Union libre “cohabitation”.[4]
  • 1914 – Union sacrée and union nationale.[3]

Meanings

Noun

  1. The joining of two or more things into one whole, a union or combination, as in L'union des deux communes a été votée.[6][8]
  2. (theology) Union hypostatique, the union of the divine and human natures in Christ, also union mystique with God.[6][8]
  3. A close relationship between people, especially marriage: union conjugale, union libre (cohabitation), as in Trois enfants sont nés de leur union.[6][3]
  4. Concord, agreement between people or groups, as in Il faut préserver l'union du parti.[6][3]
  5. (law) An association of people, groups or states bound by an agreement or common interests: union douanière, union monétaire, union des créanciers.[6][3]

Word family

  • unionisme
  • unioniste

Usage notes

The Grand Robert and the Petit Robert have a second, technical noun union (1532) “large pearl”, taken from Classical Latin unio in the sense “single large pearl”.[9][6] The proverb l'union fait la force “unity is strength” is recorded from 1757.[3]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ Anglo-Norman Dictionary (AND2), Aberystwyth University, anglo-norman.net (2nd ed., 2005–)
  3. ^ a b c d e f g h i j k l m n o p q r s t u 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
  4. ^ a b c d e f g h i j k l m Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  5. ^ a b Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  6. ^ a b c d e f g Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  7. ^ a b Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  8. ^ a b c d Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  9. ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert

Related etymologies

Cite this entry

“Union.” Etymologically, 15 Nov. 2026, etymologically.com/fr/union. Accessed 15 Nov. 2026.

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