Etymologically

Etymology and origin of the French word exercer

Confidence
Established
Formation
Borrowing
First attested
1121–1134 Philippe de Thaon, Bestiaire More words from the 12th century
Borrowed from
Latin exerceo
Ultimate origin
Latin arceō
Etymology tree
inherited borrowed derived
Latin arceō
Latin exerceō
French exercer
Romanian exersa
From the same root
Latin coerceō ← arceō
Latin exercitium ← exerceō
Latin exercitō ← exerceō
Latin exercitus ← exerceō

Pronunciation

  • /ɛɡ.zɛʁ.se/[1]

Forms

exercer[1] Old French essercier, essercer;[2][3] Anglo-Norman also excercer and exerser.[4]

Etymology

It is borrowed from Latin exerceō (“to keep in motion, give no rest, train, practise”),[2][5][6][7] at first in the form essercier, which was remade after the Latin in the 13th and 14th centuries.[8][2] Picoche counts it among the learned words, and Bloch and Wartburg call it a borrowing.[6][5] The Latin verb meant to chase, to keep busy or harass, hence to test or torment, to work and, with an object, to practise.[8][6] It is formed ex- and arceō (“to hold in, keep off”), the prefix having a negative value.[8][6][3][9] In the 16th century exerciter, from Latin exercitō, was also much used.[10]

Earliest recorded meaning

It is first found in 1121–1134, in Philippe de Thaon's Bestiaire, as essercier “to practise (a discipline)”, of holy scripture, with no idea of methodical training.[2][8]

Semantic evolution

The first sense, “to practise”, was common in the classical period and is literary today.[8] The reflexive soi exercer “to train, school oneself by suitable exercises” is found in the 13th or 14th century, the corresponding transitive “to train (someone)” only in the 16th.[2][8] From 1340 the verb meant “to devote oneself to (an office or profession)”, hence the absolute use of the liberal professions, as of a doctor or lawyer still in practice.[2][8] By the end of the 14th century it also meant “to wield (what one has at one's disposal)”, as justice or power (Froissart); from 1548 it also meant “to put (a means of action) to use” (Marguerite de Navarre).[2][8]

The Latin sense “to put to the test” (Calvin, 1551) is now archaic, and “to torment” has gone out of use.[2][8] The adjective exercé “made skilful by practice” dates from 1679, and its opposite inexercé from 1794.[8]

Timeline

  • 1121–1134 – Essercier “to practise” in Philippe de Thaon's Bestiaire.[2][8]
  • 13th–14th century – The reflexive soi exercer appears.[2][8]
  • 1340 – It is used for practising an office or profession.[2][8]
  • late 14th century – Froissart uses it of justice exercised.[2]
  • 1548 – “To put to use”, in Marguerite de Navarre.[2][8]
  • 1551 – Calvin uses it for “to put to the test”.[2][8]
  • 1679 – The adjective exercé is recorded.[8]
  • 1794 – Inexercé is recorded.[8]

Meanings

Verb

  1. To train or develop (the body, a faculty) by regular activity: to exercise one's muscles, voice or memory.[11][12][9]
  2. To train (a person or an animal) to do something.[11][12][10]
  3. To bring into play, wield (a right, a power, one's authority, an influence).[12][8]
  4. To practise (a profession, an office); used absolutely, to be in practice, of doctors and lawyers.[8][2][13]
  5. (reflexive) S'exercer: to practise, to train oneself.[8][10]
  6. (fiscal) To inspect certain trades regularly to ensure that duties are paid.[13]
  7. (archaic) To put to the test.[8]

Word family

  • exercé
  • inexercé
  • exercice
  • coercition
  • autarcie
  • Latin exerceō

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o 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 Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  4. ^ Anglo-Norman Dictionary (AND2), Aberystwyth University, anglo-norman.net (2nd ed., 2005–)
  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 Picoche, Jacqueline (1991), Dictionnaire étymologique du français, Paris: Le Robert (Les Usuels du Robert)
  7. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 3, 292a
  8. ^ a b c d e f g h i j k l m n o p q r s t u Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  9. ^ a b Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  10. ^ a b c Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  11. ^ a b Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  12. ^ a b c Dictionnaire Le Robert en ligne, dictionnaire.lerobert.com (accessed 2024)
  13. ^ a b Wiktionnaire (French Wiktionary), fr.wiktionary.org

Related etymologies

Cite this entry

“Exercer.” Etymologically, 14 Nov. 2026, etymologically.com/fr/exercer. Accessed 15 Nov. 2026.

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