Etymologically

chaleur

Etymology and origin of the French word chaleur

Confidence
Established
Formation
Inherited
First attested
early 12th century, Psautier de Cambridge (chalur)
Inherited from
Latin calor via Old French
Ultimate origin
Latin (caleō)
Etymology tree
inherited borrowed derived
Latin calor
French chaleur
Latin caloratus

Pronunciation

  • IPA: /ʃa.lœʁ/[1]

Forms

chaleur f (plural chaleurs)[1] Old French chalur, chalour, chalor, Picard caleur and caure.[2][3]

Etymology

It is inherited from Old French chalor, inherited from Latin calor (“heat, warmth; ardour”), accusative “calōrem”, from caleō (“to be warm”), the source of Old French chaloir (“to matter”).[4][2][5][1][6] The TLFi treats it as taken from Latin “calor”, whose senses it follows closely.[7] Littré points out that Old Picard “caure” continues the Latin nominative “cálor”, stressed on the first syllable, while “chaleur” continues the accusative “calórem”.[3][8]

Cognate with Italian calore, Spanish calor, Catalan calor and Occitan calor.[5][8]

Earliest recorded meaning

The Psautier de Cambridge (early 12th century) speaks of the chalur of the sun: the state of matter at a high temperature.[7][2]

Semantic evolution

About 1220 it was also the feeling of heat in illness, and in Nicot (1606) les grandes chaleurs are the summer.[7][4] Gaston Phébus's Livre de la chasse (1387–1391) uses it for the mating season of animals, and être en chaleur “to be in heat” dates from 1561.[7][4]

Figuratively it meant vitality and enthusiasm from 1549 (Robert Estienne), and in classical French also violent passion; today it suggests warmth of feeling, as in chaleureux.[7][4] The scientific notion took shape in the 17th and 18th centuries, with chaleur latente and chaleur spécifique (1789).[4]

Timeline

  • early 12th century – Chalur of the sun, Psautier de Cambridge.[7]
  • c. 1220 – The feeling of heat in illness.[7]
  • 1387–1391 – The mating season, Gaston Phébus.[7]
  • 1549 – “Enthusiasm”, Robert Estienne.[7]
  • 1561 – Être en chaleur.[7]
  • 1606 – Les grandes chaleurs, Nicot.[7]
  • 1789 – Chaleur spécifique.[4]

Meanings

Noun

  1. heat, warmth: la chaleur du soleil, une chaleur étouffante, (plural) hot weather: les grandes chaleurs.[9][1]
  2. (physics) Heat as a form of energy: chaleur spécifique.[10][4]
  3. A feeling of heat in the body: bouffées de chaleur.[7][9]
  4. En chaleur: in heat (of female animals).[7][1]
  5. (figurative) Warmth, ardour, fervour: la chaleur de l'accueil, dans la chaleur de la discussion.[4][9]

Word family

  • chaleureux

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  3. ^ a b Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  4. ^ a b c d e f g h 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. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 2, 101b
  7. ^ a b c d e f g h i j k l m 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
  8. ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  9. ^ a b c Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  10. ^ Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse

Related etymologies

Cite this entry

“Chaleur.” Etymologically, 18 Oct. 2026, etymologically.com/fr/chaleur. Accessed 18 Oct. 2026.

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