Etymologically

soubassement

Etymology and origin of the French word soubassement

Confidence
Established
Formation
Derivation
First attested
1358 Protocoles, Archives de la Côte-d'Or More words from the 14th century
Ultimate origin
Late Latin bassus
Etymology tree
inherited borrowed derived
Latin bassus
Catalan baix
French bas
French soubassement
Italian basso
Spanish bajo
From the same root
French là-bas ← bas

Pronunciation

  • /su.bas.mɑ̃/[1]

Forms

soubassement m (plural soubassements)[1] Middle French subassement (1358), later soubastement and soubzbaissement in the 16th century.[2][3]

Etymology

It is formed from French sous- (“under”) + bas (“low”) + -ment.[2][1][4] Rey notes that the suffix recalls the architectural term Italian basamento (“base of a column”), which passed through Dutch into English as basement.[4] The Grand Robert and the Petit Robert instead derive it from Old French sous-basse;[5][6] the TLFi compares the Middle French soubasse (“pedestal”), recorded from 1399 to 1680, which soon fell out of use.[2][4] Littré found the formation unclear and thought the variant soubastement came from bâtiment with the same prefix.[3]

The adjective is from Late Latin bassus, a Late Latin word of obscure origin, found in its French sense in the 7th-century glosses of Saint Gall and earlier meaning “thick, fat”.[7]

Earliest recorded meaning

It is first recorded as subassement in a document of 18 September 1358 from the archives of the Côte-d'Or, quoted by Godefroy.[2][4] A 15th-century account of Charles VIII's journey to Naples describes a stable built à hauts pilliers et grands soubassemens “with high pillars and great bases”.[3]

Semantic evolution

From the start it was a building term: the lower, solid part of a structure on which the whole edifice seems to rest.[4][8] In the 16th century Amyot used soubastement figuratively, of a firm foundation of reason built by good teaching.[3]

In the 17th century the word entered furnishing: it named the band of cloth or tapestry hung around the base of a bed (1604), which Nicot in 1606 described as the valance stretched between the bedposts below the mattress, and the piece of tapestry placed in front of a window's sill.[4][2][8] Mme de Sévigné uses the bed sense in 1675.[8] Littré also records joinery and chimney senses.[3] In the 20th century geology took it up for the basement rock on which strata rest,[4][8] and it is used figuratively for the base or foundation of anything.[6][9]

Timeline

  • 1358 – Subassement appears in a document from the Côte-d'Or.[2][4]
  • 1399 – The related Middle French soubasse “pedestal” is recorded.[2][4]
  • 16th century – Amyot writes soubastement, literally and figuratively.[3]
  • 1604 – First used of the cloth band around the base of a bed.[4]
  • 1606 – Nicot defines the soubassement de lict.[2]
  • 1675 – Mme de Sévigné uses the bed sense.[8]
  • 1690 – Furetière records the tapestry piece in front of a window sill.[8]
  • 20th century – Geology uses it for the rock underlying strata.[4]

Meanings

Noun

  1. (architecture) The lower, solid part of a building or structure, resting on the foundations and supporting what is above; the base of a column or statue.[6][2][9]
  2. The lower part of the walls of a room or of a window.[6]
  3. (geology) The basement rock on which overlying layers rest.[6][9]
  4. (figurative) A base or foundation: le soubassement économique d'une réforme.[6][9]
  5. (historical) A band of cloth or tapestry around the base of a bed.[8][3]

References

  1. ^ a b c 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 Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  4. ^ a b c d e f g h i j k Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  5. ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  6. ^ a b c d e f Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  7. ^ Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  8. ^ 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
  9. ^ a b c d Dictionnaire de français Larousse, larousse.fr/dictionnaires/francais (accessed 2024)

Related etymologies

Cite this entry

“Soubassement.” Etymologically, 15 Nov. 2026, etymologically.com/fr/soubassement. Accessed 15 Nov. 2026.

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