Etymologically

Etymology and origin of the French word plaine

Confidence
Established
Formation
Inherited
First attested
c. 1140 Pèlerinage de Charlemagne More words from the 12th century
Inherited from
Latin plana via Old French
Ultimate origin
Latin plānus
Etymology tree
inherited borrowed derived
Latin plānus
Portuguese chão
Spanish llano
French plan
Dutch plan
English plan
German Plan
Italian piano
French piano
English piano
Romanian plan
Russian план (plan)
Latin plānō
Italian pianare
Latin plāna
French plaine
From the same root
Latin complano ← plānus
Latin explānō ← plānus
Latin plānāris ← plānus
Latin plancus ← plānus
Latin plānē ← plānus
Latin plānitiēs ← plānus
Latin plānum ← plānus
English planner ← plan
Romanian plănui ← plan
German planen ← Plan
Italian pianezza ← piano
Italian pianoforte ← piano
Italian pianoro ← piano
English pianist ← piano
English plane ← plāna

Pronunciation

Forms

plaine f (plural plaines)[1] Old French pleine (1080, Chanson de Roland),[2] beside plaigne, from Popular Latin *plania.[3][4][5]

Etymology

It is inherited from Old French plaine, inherited from Latin plāna,[3][6][7] the neuter plural of plānus (“flat”) taken as a feminine noun; the Grand Robert gives the Popular Latin form as *planea.[6][8] The TLFi describes it as the feminine of plain “flat” used as a noun.[4][2] It drove out both the masculine noun plain, very common in Old French, and the rarer form plaigne, from Vulgar Latin *plania.[4][3]

Cognate with Occitan plana, Spanish plana and Italian piana.[5]

Earliest recorded meaning

About 1140 the Pèlerinage de Charlemagne uses it for a stretch of flat land;[4] the Chanson de Roland already has plaigne in the same sense (about 1100).[4][5]

Semantic evolution

The word names a stretch of land without relief and forms many phrases, such as en plaine.[3] By analogy it became a poetic name for the sea, les plaines de Neptune (1559), and la plaine liquide is found in Racine (1677); la plaine des cieux is the sky (1568).[4][3][2] In heraldry it names the lowest part of the shield when of a different tincture from the field (1671).[4][3]

Because the moderate deputies sat low on the benches of the Convention, they and their party were called la Plaine (1792), as opposed to la Montagne.[3][4] The word is also used figuratively of flatness and monotony.[3]

Timeline

  • c. 1100 – The form plaigne appears in the Chanson de Roland.[4][5]
  • c. 1140 – Plaine is used in the Pèlerinage de Charlemagne.[4]
  • 1559 – Olivier de Magny calls the sea les plaines de Neptune.[4][9]
  • 1568 – Garnier writes la plaine des cieux.[4]
  • 1671 – Ménestrier records the heraldic sense.[4][2]
  • 1677 – Racine uses la plaine liquide for the sea.[2][9]
  • 1792 – La Plaine names the moderates of the Convention.[4][3]

Meanings

Noun

  1. A plain, a wide stretch of flat or gently rolling country, lower than the land around it: plaine alluviale.[8][10][4][2]
  2. (collective) Flat country, the lowlands, as opposed to the mountains: la plaine et la montagne.[10][8]
  3. (poetic) A wide expanse of water or sky: la plaine liquide, the sea.[5][2]
  4. (history) La Plaine: the moderate party of the Convention, whose deputies sat on the lower benches.[10][4][5]
  5. (heraldry) The lowest part of the escutcheon, of a tincture different from the field.[4][5]

Word family

  • pénéplaine

Usage notes

The old form plaigne survives in place names such as Plaigne and Plagne.[3] Larousse also lists plaine as a synonym of plane, the woodworking tool.[11]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ 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
  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 e f g h i j k l m n o p q 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
  5. ^ a b c d e f g Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  6. ^ a b Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  7. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 9, 29b
  8. ^ a b c Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  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 Dictionnaire Le Robert en ligne, dictionnaire.lerobert.com (accessed 2024)
  11. ^ Dictionnaire de français Larousse, larousse.fr/dictionnaires/francais (accessed 2024)

Related etymologies

Cite this entry

“Plaine.” Etymologically, 15 Nov. 2026, etymologically.com/fr/plaine. Accessed 16 Nov. 2026.

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