Etymologically

déserteur

Etymology and origin of the French word déserteur

Confidence
Probable
Formation
Derivation
First attested
1243 Pierre de Fontaine, Conseil à un ami More words from the 13th century
Ultimate origin
Latin dēserō
Etymology tree
inherited borrowed derived
Latin sērus
Latin sērō
French soir
Latin dēserō
Latin dēsertō
Italian disertare
French déserter
English desert
French déserteur
From the same root
Latin asserō ← sērō
Latin cōnserō ← sērō
Latin disserō ← sērō
Latin exserō ← sērō
Latin īnserō ← sērō
Latin obserō ← sērō
Latin praesertim ← sērō
Latin satiō ← sērō
Latin sator ← sērō
Latin sēra ← sērō
Latin seriēs ← sērō
Latin sērōtinus ← sērō
French bonsoir ← soir
French soirée ← soir
Latin dēsertor ← dēserō
Latin dēsertus ← dēserō
English deserter ← desert

Pronunciation

  • /de.zɛʁ.tœʁ/[1]

Forms

déserteur m (plural déserteurs, feminine déserteuse)[1]

Etymology

It is formed from French déserter + -eur.[2][3][4] Bloch and Wartburg think it was probably modelled on Latin dēsertor (“one who abandons”);[5] Littré, the GLLF and Wiktionary derive it directly from the Latin noun,[6][7][1] which comes from dēsertum, the supine of dēserō (“to abandon”).[7][6]

Earliest recorded meaning

It is first found in 1243 in Pierre de Fontaine's Conseil à un ami, with the general sense “one who abandons”;[2][8] the GLLF and the Petit Robert date this text to 1253.[7][4]

Semantic evolution

Until the 17th century the word kept the general sense of someone who abandons a person, a duty or a cause: Littré quotes Bersuire's deserteurs de leurs banieres (“deserters of their banners”) from the 14th century and Montaigne's deserteurs de nostre charge from the 16th.[6][8] The special modern sense, a soldier who leaves his army, appeared in 1680, at the same time as the matching sense of the verb déserter.[2][8][5]

The figurative use for someone who abandons a party, a faith or a cause has remained, mostly in literary style, and Littré records a familiar use for a friend who has long stayed away.[4][7][6] The feminine forms are rare: Rey gives désertrice as a noun and déserteuse as an adjective, and the Petit Robert calls both unused.[8][4]

Timeline

  • 1243 – Pierre de Fontaine uses it for “one who abandons”.[2]
  • 14th century – Bersuire writes of deserteurs de leurs banieres.[6]
  • 1680 – Richelet records the military sense.[2][8]
  • 1864 – Littré records the familiar sense of a friend who stays away.[7]

Meanings

Noun

  1. A soldier who deserts or has deserted: un déserteur passé à l'ennemi.[4][2]
  2. (figurative, literary) A person who abandons a faith, a party or a cause; a renegade.[4][7]
  3. (familiar) Someone who stays away from their friends for a long time.[7][6]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f 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. ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  4. ^ a b c d e f Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert 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 Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  7. ^ a b c d e f g Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  8. ^ a b c d e Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
Cite this entry

“Déserteur.” Etymologically, 15 Nov. 2026, etymologically.com/fr/d%C3%A9serteur. Accessed 15 Nov. 2026.

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