Etymologically

Etymology and origin of the Spanish word mostaza

Confidence
Probable
Formation
Derivation
First attested
1380–1385 Ferrer Sayol, Libro de Palladio More words from the 14th century
Ultimate origin
Latin mustum
Etymology tree
inherited borrowed derived
Latin mustus
Latin mustum
Italian mosto
Romanian must
Spanish mosto
Spanish mostaza
English must
From the same root
Latin musteus ← mustum
Romanian mustos ← mustum

Pronunciation

  • /mosˈtaθa/, [mosˈt̪a.θa], /mosˈtasa/[1]

Forms

mostaza f (plural mostazas)[1]

Etymology

It is a derivative from Spanish mosto (“must, unfermented grape juice”), according to Corominas: fine sauces were made of crushed mustard seed mixed with must, to temper its sharpness, and the name passed from the sauce to the seed and the plant.[2][3][4] Corominas thinks the seed was at first called xenabe and that only the sauce had this name.[2] Spellings with ⟨ç⟩ in the Escorial glossary and in Nebrija may point to a foreign source, perhaps Catalan mostassa.[2]

The DLE derives it from Latin mustāceus (“of must”), and Wiktionary calls it inherited from that Latin word with a change of gender.[5][1] In classical Latin the word named a cake made with must and baked on laurel leaves, formed from mustum (“must”) and the suffix -āceus.[6] The noun is the adjective mustus (“new, fresh”) used as a noun.[7]

Words of the same origin are Catalan mostalla, Old Occitan mostazia, French moutarde, Italian mostarda, Portuguese mostarda, English mustard and German Mostrich.[2][8]

Earliest recorded meaning

The CDH's first record is Ferrer Sayol's Libro de Palladio (1380–1385), a farming treatise with a chapter on planting the herb: de la mostaza.[9] A recipe of about the same date already puts it in a sauce: en la dicha conserua o salsa deue hombre meter mostaza “one must put mustard in the said preserve or sauce”.[9] DEMel cites mostacia from Aragonese inventories of 1362.[10]

Semantic evolution

Nebrija glossed it as both seed and herb, Latin sinapis.[11] Covarrubias in 1611 explained the name by the must used in the sauce and recorded amostazarse “to get angry”, from the way both anger and mustard go up the nose.[12] Autoridades described the plant, the seed and the sauce, and recorded fine lead shot (mostacilla), boys' hacer la mostaza “to make someone's nose bleed in a fist fight”, and subirse la mostaza a las narices “to lose one's temper”.[13][14]

The Academy first proposed Latin mustum as the etymon in 1884, with a question mark, and stated it in 1899.[15][16] Moliner adds tiny glass beads for embroidery, and VOX a yellowish-green colour, used also as an invariable adjective (pantalones mostaza).[17][18] In Guatemala it can mean drunkenness.[19]

Timeline

  • 1362 – mostacia in Aragonese inventories, according to DEMel.[10]
  • 1380–1385 – mostaza in the Libro de Palladio.[9]
  • c. 1400 – the glossaries of the Palace and the Escorial;[11] Corominas's first record.[2][3]
  • c. 1495 – Nebrija gives Latin sinapis.[11]
  • 1513 – first records in the Americas, half a fanega of mustard in Puerto Rico.[20]
  • 1611 – Covarrubias derives the name from mosto and records amostazarse.[12]
  • 1726–1739 – Autoridades records subirse la mostaza a las narices.[13]
  • 1884 – the Academy proposes Latin mustum as the etymon.[15]

Meanings

Noun

  1. mustard, an annual plant of the crucifer family, with yellow flowers and pods of small seeds with a sharp taste.[5][1]
  2. The seed of this plant.[5]
  3. Mustard, the sauce or condiment made from the seeds: ¿Le pones mostaza al bocadillo?[5][1]
  4. Fine lead shot (mostacilla).[5]
  5. A yellowish-green colour; also an invariable adjective: una chaqueta mostaza.[18]

Word family

  • mostacera
  • mostacero
  • mostacilla
  • mostazal
  • amostazar

Usage notes

Subirse la mostaza a las narices is “to lose one's temper”, the image behind the verb amostazarse.[13][12]

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 4, 164
  3. ^ a b Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. mosto
  4. ^ Gómez de Silva, Guido (1988), Breve diccionario etimológico de la lengua española, México: Fondo de Cultura Económica / El Colegio de México
  5. ^ a b c d e Real Academia Española; Asociación de Academias de la Lengua Española (2014–), Diccionario de la lengua española, 23rd ed., online version 23.8, https://dle.rae.es, p. s.v. mostaza
  6. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  7. ^ Bénaben, Michel (2000), Dictionnaire étymologique de l'espagnol, Paris: Ellipses
  8. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954)
  9. ^ a b c Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. mostaza
  10. ^ a b Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock
  11. ^ a b c Nebrija, Antonio de (1513), Vocabulario español-latino, Salamanca, ed. Marina Vidal Díez (2007), Biblioteca Virtual Miguel de Cervantes, p. 383
  12. ^ a b c Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 1150
  13. ^ a b c Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 4, 616
  14. ^ Real Academia Española (1817), Diccionario de la lengua castellana, 5th ed., Madrid: Imprenta Real, p. 586
  15. ^ a b Real Academia Española (1884), Diccionario de la lengua castellana, 12th ed., Madrid: Imprenta de D. Gregorio Hernando (the first Academy edition with etymologies), p. 721
  16. ^ Real Academia Española (1899), Diccionario de la lengua castellana, 13th ed., Madrid: Imprenta de los Sres. Hernando y Compañía, p. 676
  17. ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. mostaza
  18. ^ a b Battaner Arias, Paz (dir.) (2017), Diccionario general de la lengua española VOX, Barcelona: Larousse Editorial, p. s.v. mostaza
  19. ^ Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. mostaza
  20. ^ Boyd-Bowman, Peter (2003), Léxico hispanoamericano 1493–1993, ed. Ray Harris-Northall and John J. Nitti, New York: Hispanic Seminary of Medieval Studies
Cite this entry

“Mostaza.” Etymologically, 14 Nov. 2026, etymologically.com/es/mostaza. Accessed 14 Nov. 2026.

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