Etymology and origin of the French word impropre
- Confidence
- Established
- Formation
- Borrowing
- First attested
- 1372 Jean Corbichon, translation of the Propriétés des choses More words from the 14th century
- Borrowed from
- Latin improprius
- Ultimate origin
- Latin proprius
Etymology tree
From the same root
Pronunciation
- /ɛ̃.pʁɔpʁ/[1]
Forms
impropre (plural impropres)[1]
Etymology
It is borrowed from Late Latin improprius (“not fitting”), a term of the Latin grammarians,[2][3][4] formed from in- (“not”) and proprius (“one's own, special, proper”).[5][6][7] The TLFi dates the borrowing to 1372.[2][8] The sense “unfit for”, construed with ⟨à⟩, was shaped by the French adjective propre.[2]
Cognate with Old Occitan impropri, Italian improprio and Spanish impropio.[7]
Earliest recorded meaning
It is first found in 1372, in Jean Corbichon's translation of the Propriétés des choses (in a 15th-century manuscript), in the phrase impropre manière de parler, of a way of speaking that does not express the idea exactly.[2]
Semantic evolution
The adjective first qualified a word or expression that does not suit what it names, as Latin improprius did in grammar.[4][2] In 1676 Bouhours records impropre à, of a thing that does not lend itself to a use, and the construction passed into common usage as the opposite of propre à;[2][4] from 1804 it is also said of a person unfit for a task.[2]
Grammar kept the older sense in diphtongue impropre (1867, Littré), a vowel digraph that is a diphthong only to the eye,[5][7] and in dérivation impropre (1893), the change of a word's function without a change of form.[5][4] Rey notes that the adjective answers only to the first sense of propre: the opposite of propre “clean” is malpropre or sale.[4]
Timeline
- 1372 – Corbichon writes impropre manière de parler.[2][5]
- 16th century – Calvin and Amyot use the word of improper wording.[7]
- 1676 – Bouhours records impropre à “unsuited to”.[2][4]
- 1804 – Benjamin Constant uses it of a person unfit for a task.[2]
- 1867 – Littré records diphtongue impropre.[5]
- 1893 – The Dictionnaire général records dérivation impropre.[5][4]
Meanings
Adjective
- Of a word or expression: not fitting, not expressing the idea exactly; incorrect.[9][2][10]
- Impropre à: of a person, unfit for a task or service, il a été jugé impropre au service.[9][11][10]
- Impropre à: of a thing, unsuitable for a use, as food impropre à la consommation “unfit for consumption”.[9][10]
- (grammar) Dérivation impropre: the use of a word in a new function without a change of form, also called conversion.[5][4]
Word family
- improprement
Related words
References
- ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k 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
- ^ Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
- ^ a b c d e f g h Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
- ^ 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
- ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
- ^ a b c d Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
- ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 4, 608b
- ^ a b c Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
- ^ a b c Dictionnaire de français Larousse, larousse.fr/dictionnaires/francais (accessed 2024)
- ^ Dictionnaire Le Robert en ligne, dictionnaire.lerobert.com (accessed 2024)
Related etymologies
Cite this entry
“Impropre.” Etymologically, 14 Nov. 2026, etymologically.com/fr/impropre. Accessed 15 Nov. 2026.
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