Etymology and origin of the French word soustraire
- Confidence
- Established
- Formation
- Borrowing
- First attested
- 1119 Philippe de Thaon, Comput More words from the 12th century
- Borrowed from
- Latin subtraho via Old French
- Ultimate origin
- Latin trahō
Etymology tree
From the same root
Pronunciation
- /sus.tʁɛʁ/[1]
Forms
soustraire[1] Old French sustraire, sostraire, soztraire, sotraire; later substraire (late 15th century) and soubtraire (1538 to the early 17th century).[2][3][4]
Etymology
It is inherited from Old French sustraire, borrowed from Latin subtrahō (“to draw from beneath, take away”),[1][2][5] formed from sub- (“under”) and trahō (“to pull, drag”), the verb that gave traire.[3][6] The first syllable was remade after words such as souscrire and after sous,[2][7][3] and the verb is conjugated like that verb.[1][8] Nicot (1606) and Cotgrave (1611) still have the headword ⟨soubtraire⟩, and ⟨soustraire⟩ is the headword from Pomey (1671).[2]
Littré notes that the pronunciation with /s/ before /t/ is irregular, and that in the 16th century the word was written ⟨soubstraire⟩ but said without the ⟨b⟩.[9] Cognate with Old Occitan sostraire and Italian sottrarre.[9]
Earliest recorded meaning
Philippe de Thaon uses sustraire in his Comput (1119) in the sense “to take away, deduct”.[2][6] In his Bestiaire (1121–1134) he writes Adam fut sustrait De sun saint paraïs (“Adam was taken away from his holy paradise”).[2]
Semantic evolution
From the start the verb meant taking something from someone so as to deprive them of it, often by trickery or fraud: Benoît de Sainte-Maure has soztraire in this sense about 1165.[3][2] From it came “to deprive of” (1226), now out of use, and “to make disappear by theft”, which is still alive.[3] In the Middle Ages it could also simply mean “to withdraw”.[7]
The reflexive verb first meant “to withdraw”, said of the sun (1160–1170); since the early 13th century it has meant “to free oneself from”: Villehardouin writes of people who s'estoient sotrait a l'obedience de Rome (“had withdrawn from obedience to Rome”).[3][2] Soustraire qqn de “to shield someone from a danger” (early 13th century) became soustraire qqn à about 1580.[3]
The arithmetical sense dates from the 13th century,[7][6] and Nicolas Chuquet's arithmetic of 1484 has the form soustraire.[2] The noun soustraction (1484, earlier subtraction from the 12th century) follows the verb's senses.[7]
Timeline
- 1119 – Sustraire “to take away” appears in Philippe de Thaon's Comput.[2]
- 1121–1134 – Philippe de Thaon's Bestiaire uses it for depriving someone of something.[2]
- c. 1165 – Benoît de Sainte-Maure has soztraire “to take away by trickery”.[2]
- c. 1208 – Villehardouin uses the reflexive verb for “to free oneself from”.[2]
- 13th century – The arithmetical sense is recorded.[7][6]
- 1484 – Nicolas Chuquet writes soustraire in his Triparty en la science des nombres.[2]
- 1538 – The spelling soubtraire is recorded; it lasts until the early 17th century.[3]
- 1588 – Montaigne uses soustraire à “to shield from”.[6]
- 1671 – Pomey's dictionary has the headword soustraire.[2]
Meanings
Verb
- To take something away from someone, usually by trickery or fraud; to steal: soustraire des lettres d'un tiroir.[10][2][9]
- Soustraire qqn ou qqch. à: to shield someone or something from what threatens it.[10][9]
- (arithmetic) To subtract one number from another.[9][1]
- (reflexive) Se soustraire à: to evade, escape from or free oneself of a duty or authority: se soustraire à une corvée.[10][1]
Related words
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o p 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
- ^ a b c d e f g h Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
- ^ Anglo-Norman Dictionary (AND2), Aberystwyth University, anglo-norman.net (2nd ed., 2005–)
- ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 12, 367b
- ^ a b c d e Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
- ^ a b c d e Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
- ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
- ^ a b c d e Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
- ^ a b c Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
Related etymologies
Cite this entry
“Soustraire.” Etymologically, 14 Nov. 2026, etymologically.com/fr/soustraire. Accessed 15 Nov. 2026.
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