Etymology and origin of the Spanish word grueso
- Confidence
- Established
- Formation
- Inherited
- First attested
- c. 1140 Cantar de mio Cid More words from the 12th century
- Inherited from
- Latin grossus
- Ultimate origin
- Latin grossus
Pronunciation
- /ˈɡɾweso/, [ˈɡɾwe.so][1]
Forms
grueso (feminine gruesa, masculine plural gruesos, feminine plural gruesas)[1] Old Spanish wrote gruesso, with a voiceless /s/, and also grossa in Alfonso X's Lapidario.[2][3][4]
Etymology
It is inherited from Latin grossus (“thick, bulky”), through Old Spanish gruesso.[2][5][6][1] The DLE calls the Latin word Late Latin; it is recorded from the 1st century.[6][7] The DHLF and Bénaben describe it as an altered form of classical Latin crassus (“fat, thick”).[7][8]
The same Latin word is Portuguese grosso, Galician groso, Asturian gruesu, Catalan gros, French gros, Italian grosso and Romanian gros.[9][10][1] Spanish later took some of its relatives from other languages: groso, said of tobacco, from Portuguese, and the coin gros and the silk gro from French.[2][5]
De Vaan notes that the IEW connects the Latin adjective with the Welsh word bras (“thick”), which Schrijver reconstructs differently, as Proto-Celtic *brs-t/so-.[11] Wiktionary calls the Latin word of uncertain origin, probably a slang word, often compared with the same classical adjective and with the noun meaning “unripe fig”.[1]
Earliest recorded meaning
The word is in use from the beginnings of the language: the Cantar de mio Cid (c. 1140) has cavallos gruesos “stout horses”.[2][5][12] In Alfonso X's Lapidario (1250–1279) it means “stout, corpulent”: a stone that makes a very fat man („omne muy gruesso”) grow thin.[4]
Semantic evolution
In Alfonso X's prose the word also means “heavy, dense” and, of the mind, “dull”.[4] Its sense could stretch to “coarse, rough”, as in the Rimado de Palacio, and Nebrija has gruesso de ingenio; in the Aragonese Pedro de Luna (early 15th century) it means “large”, as in Catalan and Gallo-Romance.[2] Today one says un hombre grueso but rarely un animal grueso, which is usual in the Leonese of Miranda and was in Old Portuguese.[2]
As a noun it meant the bulk of a thing in Autoridades, and by 1817 also the main part of a whole, as in el grueso del ejército.[13][14] The feminine noun gruesa “twelve dozen” dates from 1680, and its sense “main income of a prebend” from 1597.[2][5] The Academy added the thick stroke of a letter and the third dimension of a solid in 1884.[15] In Mexico, Guatemala and Honduras young people use grueso for a difficult problem or an impressive thing, and in the Dominican Republic it means “obscene”.[16][17]
Timeline
- c. 1140 – the Cantar de mio Cid has cavallos gruesos.[5][12]
- 1250–1279 – Alfonso X's Lapidario uses gruesso for a fat man and grossa for a thick liquid.[4]
- 1251 – the derivative grosura “fat” is first recorded, in the Calila.[2][5]
- 1444 – the derivative grosero is first recorded.[5]
- 1517 – the first record from the Americas, in Santo Domingo, of mercaderes gruesos “wealthy merchants”.[18]
- 1609 – grosor “thickness” is first recorded, in Garcilaso.[2][5]
- 1611 – Covarrubias gives delgado as its opposite.[19]
- 1680 – gruesa “twelve dozen” is first recorded.[2][5]
- 1884 – the Academy gives the etymology, “Del lat. grossus”.[15]
Meanings
Adjective
- thick, bulky; of a person, stout, corpulent: un tronco grueso.[6][1]
- Larger than usual.[6]
- (rare) Of the mind or wit, dull, slow.[6]
- (obsolete) Strong, hard and heavy.[6]
- (Mexico, Central America, colloquial) Of a problem, difficult; of a thing, impressive.[16]
Noun
- thickness: el grueso de la tabla.[6][1]
- The main and strongest part of a whole, the bulk: el grueso de los votantes.[6][1]
- The thick stroke of a letter, as against the perfil.[6]
- (geometry) One of the three dimensions of a solid, usually the smallest.[6]
Word family
- grosura
- grosor
- grosero
- engrosar
- gruesa
Related words
Usage notes
Moliner describes grueso as the polite word for gordo when speaking of people.[20] En grueso means “wholesale, in large quantities”, and intestino grueso is the large intestine.[6][1] The feminine noun gruesa means “gross, twelve dozen”, an abbreviation of docena gruesa.[5][6]
References
- ^ a b c d e f g h i Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 3, 223
- ^ Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock, p. s.v. grueso
- ^ a b c d Kasten, Lloyd A.; Nitti, John J.; Gago Jover, Francisco (2002–), Diccionario de la prosa castellana del Rey Alfonso X, New York: Hispanic Seminary of Medieval Studies (electronic edition 2024), p. s.v. grueso
- ^ a b c d e f g h i j Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. grueso
- ^ a b c d e f g h i j k l 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. grueso
- ^ a b Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert, p. s.v. gros
- ^ Bénaben, Michel (2000), Dictionnaire étymologique de l'espagnol, Paris: Ellipses, p. s.v. grueso
- ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 3881
- ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. 3146
- ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b Cejador y Frauca, Julio (1929), Vocabulario medieval castellano, Madrid: Librería y Casa Editorial Hernando, p. s.v. grueso
- ^ Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 4, 83
- ^ Real Academia Española (1817), Diccionario de la lengua castellana, 5th ed., Madrid: Imprenta Real, p. 452
- ^ 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. 543
- ^ a b Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. grueso
- ^ Academia Dominicana de la Lengua; Instituto Guzmán Ariza de Lexicografía (2024), Diccionario del español dominicano, 2nd ed., online at https://ded.igalex.org, p. s.v. grueso
- ^ Boyd-Bowman, Peter (2003), Léxico hispanoamericano 1493–1993, ed. Ray Harris-Northall and John J. Nitti, New York: Hispanic Seminary of Medieval Studies, p. s.v. grueso
- ^ Covarrubias Orozco, Sebastián de (1611), Tesoro de la lengua castellana o española, Madrid: Luis Sánchez (Biblioteca Wordkers transcription, CC BY 4.0), p. 938
- ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. grueso
Related etymologies
Cite this entry
“Grueso.” Etymologically, 7 Nov. 2026, etymologically.com/es/grueso. Accessed 7 Nov. 2026.
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