Etymologically

Etymology and origin of the French word optique

Confidence
Established
Formation
Borrowing
First attested
1314 Henri de Mondeville, Chirurgie More words from the 14th century
Borrowed from
Ancient Greek ὀπτικός
Ultimate origin
Ancient Greek ὀπτικός
Etymology tree
inherited borrowed derived
Ancient Greek ὀπτός (optós)
Ancient Greek ὀπτικός (optikós)
French optique
Latin opticus
English optic
From the same root
French opticien ← ὀπτικός
English optical ← optic
English optics ← optic

Pronunciation

Forms

optique (plural optiques)[1]

Etymology

The adjective is borrowed from Ancient Greek ὀπτικός (optikós, “concerning sight”), first as obtique in 1314, of the optic nerves.[2][3][4][5] The Greek word belongs to the verbal stem ὀπ- (op-) of the forms of ὁράω (horáō, “to see”), which Rey connects with the Indo-European root Proto-Indo-European *okʷ- (“eye, to see”).[3] The Grand Robert and the GLLF derive it from ὀπτός (optós, “visible”).[4][6] Wiktionary gives Latin opticus as the direct source.[1]

The noun “optics” (1605), which the Grand Robert treats as a separate headword, is borrowed from Latin optice, from Greek ὀπτική (optikḗ) (with τέχνη (tékhnē) understood) “the art of seeing, the science of vision”.[4][3][7] It is the same word as the adjective, used as a noun after the Greek and Latin model.[3]

Cognate with Italian ottico, Spanish óptico and Old Occitan optic.[8]

Earliest recorded meaning

It is first found in Henri de Mondeville's Chirurgie (1314), as nerfs obtiques, the optic nerves.[2][8]

Semantic evolution

Used first in anatomy for what relates to the eye, the adjective then meant “relating to vision”, as in verres optiques (1749) and angle, cône, pinceau optique (1868).[3][2] From the mid-16th century it was also applied to the phenomena of light, especially in illusion optique (Académie, 1798).[3][2][6]

The noun (1605) names the science of the propagation of light (optique géométrique, 1886), and by metonymy a treatise on optics (1721), the optical parts of an instrument, and in the 20th century the industry making them.[3][7][9] In the 18th and 19th centuries une optique was a box in which coloured prints were viewed through a magnifying lens.[3] The figurative sense “point of view” is now common.[10][1]

Timeline

  • 1314 – Nerfs obtiques in Henri de Mondeville's Chirurgie.[2]
  • 1567 – Delorme uses the adjective of the phenomena of vision.[2]
  • 1605 – The noun “optics” is recorded.[7][4]
  • 1721 – Une optique, a treatise on optics.[3][9]
  • 1749 – Verres optiques.[2]
  • 1798 – Illusion optique in the Académie's dictionary.[2]

Meanings

Adjective

  1. Relating to the eye or to vision: le nerf optique.[10][2]
  2. Relating to optics and light: verres optiques, fibre optique.[10]
  3. Using optical and electronic technology: lecture optique.[10]

Noun

  1. Optics, the science of light and vision.[10][3]
  2. The optical parts of an instrument, its lenses.[10]
  3. (figurative) A perspective, a point of view.[10][1]

Word family

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ 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
  3. ^ a b c d e f g h i j Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  4. ^ a b c d Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  5. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 7, 379a
  6. ^ a b Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  7. ^ a b c Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  8. ^ a b Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  9. ^ a b Quemada, Bernard, ed. (1959–2006), Datations et documents lexicographiques (Base historique du vocabulaire français, BHVF), Paris: Klincksieck / CNRS / Champion; ATILF
  10. ^ a b c d e f g Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert

Related etymologies

Cite this entry

“Optique.” Etymologically, 14 Nov. 2026, etymologically.com/fr/optique. Accessed 15 Nov. 2026.

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