Etymology and origin of the French word spéculer
- Confidence
- Established
- Formation
- Borrowing
- First attested
- 1345 More words from the 14th century
- Borrowed from
- Latin speculor
- Ultimate origin
- Latin speciō
Etymology tree
From the same root
Pronunciation
- /spe.ky.le/[1]
Forms
spéculer[1] Middle French also had especuler (about 1488, in philosophy).[2][3]
Etymology
It is borrowed from Latin speculor (“to observe, watch, spy”), a learned borrowing recorded in 1345.[2][4][5][6][7] The Latin verb is formed from specula (“lookout place, height”), from the archaic verb speciō (“to look”),[2][5][8] the source also of spectacle and spéculaire.[2]
Earliest recorded meaning
It first meant “to observe, consider, try to see into with the mind”: Jean d'Arkel's Li ars d'amour (mid-14th century) speaks of avisant et especulant cele science, and Oresme (1370–72) of speculer et cognoistre the multitude of laws.[6]
Semantic evolution
The Latin sense “to observe natural phenomena”, especially the stars (1461), lasted until the 18th century;[2][8] Furetière (1690) still gives it as an astronomical term.[2][8] Like spéculer qqn “to look at someone” (1530), it then went out of use.[2] From the mid-14th century the verb was a term of philosophy, “to meditate”, also spéculer sur (Christine de Pizan, 1404).[2][6] From 1690 it meant to build theories, as opposed to putting them into practice.[2][3]
At the end of the 18th century, following spéculation, it entered the language of commerce: Robespierre in 1792 writes spéculer sur la misère publique, and the Académie (1798) records spéculer sur les matières de banque.[2][6][4] By extension spéculer sur quelque chose came to mean to count on it to succeed (1835).[2][8]
Timeline
- 1345 – First recorded, in the sense “to observe”.[2][4][5]
- 1370–72 – Oresme uses it in his translation of Aristotle's Ethics.[6][3]
- 1404 – Christine de Pizan writes speculer sus plus occultes choses.[6]
- 1461 – It is used of observing the stars.[2]
- c. 1488 – The variant especuler appears.[2]
- 1690 – It means to theorize, as opposed to practise.[2]
- 1792 – Robespierre uses it of profiting from public hardship.[6][2]
- 1798 – The Académie records it as a banking term.[6][4]
- 1835 – Spéculer sur “to count on” is recorded by the Académie.[2][8]
Meanings
Verb
- (philosophy) To meditate, to think abstractly or theorize.[9][3][8]
- To speculate: to carry out financial or commercial operations to profit from market changes, as in spéculer en Bourse, spéculer à la hausse or spéculer à la baisse.[9][6]
- Spéculer sur: to count on something to succeed or to gain an advantage.[9][2]
- (obsolete) To observe closely, especially the stars.[3][8]
Related words
- spéculation
- spéculateur
- spéculatif
- spectacle
- spéculaire
- Latin speculor
References
- ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o p q r Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, 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 d Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
- ^ a b c Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
- ^ a b c d e f g h i 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
- ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 12, 161a
- ^ 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
- ^ 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
“Spéculer.” Etymologically, 15 Nov. 2026, etymologically.com/fr/sp%C3%A9culer. Accessed 15 Nov. 2026.
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