Etymology and origin of the Spanish word cuyo
- Confidence
- Established
- Formation
- Inherited
- First attested
- c. 1200 La fazienda de Ultra Mar, in a 13th-century copy More words from the 12th century
- Inherited from
- Latin cuius
- Ultimate origin
- Proto-Indo-European *kʷosyo
Pronunciation
- /ˈkuʝo/, [ˈku.ʝo], /ˈkuʃo/[1]
Forms
cuyo m sg (feminine cuya, masculine plural cuyos, feminine plural cuyas)[1]
Etymology
It is inherited from Latin cūius (“whose”), an adjective with feminine and neuter endings, through Old Spanish cuyo.[2][3][4][1] The Latin word was built on the genitive singular of the relative pronoun quī (“who, which”), which was reinterpreted as the nominative of a possessive adjective; the same thing happened in Sabellic, so it goes back to Proto-Italic.[5] Wiktionary notes that agreement with the thing possessed is already found, though rarely, in Plautus and classical texts.[1]
Of the Romance languages only Spanish, Portuguese and Sardinian kept it: Portuguese cujo, Galician cujo and Logudorese kuyu.[2][6][7]
The Proto-Italic form was *kʷosjo-, from the genitive Proto-Indo-European *kʷosyo (“of whom”).[5] De Vaan considers Ancient Greek ποῖος (poîos, “of what kind”) an independent Greek formation from the same genitive.[5]
Earliest recorded meaning
The CDH's first hits are Latin charters with cuius.[8] The first Spanish record is the Fazienda de Ultra Mar (c. 1200, in a 13th-century copy), where a man who has been given water for himself and his camels asks a girl cuya fija era, “whose daughter she was”, an indirect question.[8][9] The relative use follows in the Fuero de Zorita (1218–1250): fines go to those cuyo pan comieren, “whose bread they eat”.[8] The DCECH and the BDELC give Berceo, 1220–1250, as the first record.[2][3]
Semantic evolution
Until the 17th century cúyo was common as an interrogative, in direct questions (¿cúyo eres?) and indirect ones; it then survived only in some conservative local speech, such as Cespedosa in Spain and the interior of Argentina.[2] The relative could once be used without an antecedent, but this was rare even in the old language and is now obsolete.[2] The use of cuyo for a plain relative el cual, which purists condemn, begins in the 17th century.[2][10]
As a masculine noun, cuyo meant “lover” and also “husband”: the DCECH finds it in Gil Vicente and in Cervantes, and Autoridades called it familiar and humorous.[2][11] The Academy now marks this sense as colloquial and obsolete.[4] Today the word is a relative determiner of written and formal language.[1][4]
Timeline
- c. 1200 – cuya in an indirect question in the Fazienda de Ultra Mar (13th-century copy).[8]
- 1218–1250 – relative cuyo in the Fuero de Zorita.[8]
- 1220–1250 – Berceo, the first record for the DCECH and the BDELC.[2][3]
- 1250–1279 – Alfonso X's Lapidario uses the possessive relative.[12]
- 1517 – first record in the Americas, in Santo Domingo.[13]
- 17th century – the use of cuyo for el cual begins.[2]
- 1726–1739 – Autoridades records the noun “lover” beside the relative.[11]
Meanings
Determiner
- (relative, formal) whose, of which: agrees in gender and number with the noun that follows, not with the possessor: la casa cuyas ventanas dan al río.[4][1][10]
- (obsolete) Of whom, whose, used mainly as a predicate, also in questions: ¿Cúya es esta capa?[4][14][10]
Noun
Related words
Usage notes
Cuyo expresses only possession or belonging;[10] Moliner rejects its use as a mere substitute for el cual or que.[10] A separate noun cuyo, a variant of cuy “guinea pig”, is used in Mexico and Central America, including El Salvador.[4][15][1]
References
- ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 4, 703
- ^ a b c Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. qué
- ^ a b c d e f g 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. cuyo
- ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill, p. s.v. cūius
- ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. s.v. cūjus
- ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. 2016
- ^ a b c d e Real Academia Española (2013–), Corpus del Diccionario histórico de la lengua española (CDH), version 3.1, https://apps.rae.es/CNDHE, p. s.v. cuyo
- ^ Diccionario del Español Medieval electrónico (DEMel), data publication 2026 (CC BY-SA), Universität Rostock, p. s.v. cuyo
- ^ a b c d e Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. cuyo
- ^ a b c Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 2, 713
- ^ 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. cuyo
- ^ 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. cuyo
- ^ Real Academia Española (2001), Diccionario de la lengua española, 22nd ed., Madrid: Espasa-Calpe, p. s.v. cuyo
- ^ Asociación de Academias de la Lengua Española (2010), Diccionario de americanismos, Lima: Santillana; online at https://www.asale.org/damer, p. s.v. cuyo
Related etymologies
Cite this entry
“Cuyo.” Etymologically, 13 Nov. 2026, etymologically.com/es/cuyo. Accessed 14 Nov. 2026.
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