Etymologically

cadet

Etymology and origin of the French word cadet

Confidence
Established
Formation
Borrowing
First attested
1466
Borrowed from
Occitan capdet
Ultimate origin
Latin (caput)
Etymology tree
inherited borrowed derived
French cadet
English caddie
English cadet

Pronunciation

  • IPA: /ka.dɛ/[1]

Forms

cadet (feminine cadette, masculine plural cadets, feminine plural cadettes)[1]

Etymology

It is borrowed from Occitan capdet (“chief, captain”), a Gascon word,[2][3][4][1][5][6] corresponding to Provençal capdel, the source of cadeau[2][3]; “-et” is the Gascon form of the suffix “-el”.[2][3] This goes back to Late Latin capitellum (“little head”), a diminutive of Latin caput (“head”).[1][5][7] The Gascon captains who served in the armies of the French kings in the 15th century were mostly younger sons of noble families, hence the sense “younger son”;[2][3][8] the ending may also have been felt as a diminutive.[2] Pierre Guiraud suggests a confusion of Provençal “cadel” “chief” with “cadel” “young of an animal”, from Latin catellus (“puppy”).[4]

Earliest recorded meaning

The sense “younger son” is found from the first records (1466, Jean de Bueil).[2][4][8] A chronicle of Louis XI speaks of a Gascon captain nommé le capdet Remounent.[7]

Semantic evolution

Cadet replaced puîné in the 18th century: in 1740 the Académie notes that it is the usual word in conversation.[3][2] It came to mean any child born after the eldest, and also the youngest of a family (1671); as an adjective, branche cadette (1740) is a line descended from a younger son.[2][8] By extension it is anyone younger than another (1690), and figuratively something of no importance, as in c'est le cadet de mes soucis (1812).[2][8]

In military use, from 1530, a cadet was a young nobleman serving as a soldier to learn the trade, as in the cadets de Gascogne made famous by Dumas and Rostand; it now means an officer cadet.[2][3][9] In sport it named the golf caddie (1906; compare caddie) and a category of young athletes (1928).[2]

Timeline

  • 1466 – “Younger son” (Jean de Bueil).[2][4]
  • 1530 – A young nobleman serving as a soldier.[2]
  • 1650 – Cadichon.[3]
  • 1671 – The youngest child.[2][8]
  • 1740 – Branche cadette[2][3]; cadet is the usual word (Académie).[2][3]
  • 1812 – Le cadet de mes soucis[2]; cadet de Gascogne.[2]
  • 1906 – A golf caddie.[2]
  • 1928 – A category of young athletes.[2]

Meanings

Noun

  1. A younger child; a younger brother or sister: c'est mon cadet.[10][1]
  2. The youngest child of a family.[8][10]
  3. A person younger than another: il est mon cadet de trois ans.[8][10]
  4. (historical) A young nobleman serving as a soldier; today an officer cadet.[9][1]
  5. (sport) A junior player.[1][2]

Adjective

  1. Younger: frère cadet, branche cadette.[10][1]
  2. C'est le cadet de mes soucis: it is the least of my worries.[8][2]

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p q r s t u v Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  3. ^ a b c d e f g h i Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  4. ^ a b c d Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  5. ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  6. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 2, 258a
  7. ^ a b Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  8. ^ a b c d e f g h Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  9. ^ a b Dictionnaire de français Larousse, larousse.fr/dictionnaires/francais (accessed 2024)
  10. ^ a b c d Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert

Borrowed into

Related etymologies

Cite this entry

“Cadet.” Etymologically, 17 Oct. 2026, etymologically.com/fr/cadet. Accessed 17 Oct. 2026.

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