Etymology and origin of the Spanish word dudar
- Confidence
- Established
- Formation
- Inherited
- First attested
- c. 1200 Almerich, La fazienda de Ultra Mar, in a 13th-century copy More words from the 12th century
- Inherited from
- Latin dubito via Old Spanish
- Ultimate origin
- Latin dubitō
Pronunciation
- /duˈdaɾ/, [d̪uˈð̞aɾ][1]
Forms
dudar (first-person singular present dudo, first-person singular preterite dudé, past participle dudado)[1] Old Spanish dubdar was the usual form until the 15th century;[2][3] dudar is found in 14th-century manuscripts, as in Juan Ruiz.[2][3] Leonese texts have a popular dobdar and the variants duldar and dultar, with the Leonese treatment of a /b/ before a consonant.[2][4]
Etymology
It is inherited from Old Spanish dubdar, inherited from Latin dubitō (“to waver, to doubt”), taken over at an early date.[2][3][5][1] The Latin verb comes from dubius (“wavering, doubtful”), itself from duo (“two”), after the two alternatives between which one doubts.[2][3] Wiktionary describes the Latin verb as probably a frequentative of the rare dubō, from Proto-Indo-European *dwi- (“two-”) and Proto-Indo-European *bʰuH- (“to be”).[1]
The same Latin verb is Portuguese duvidar, Galician dubidar, Catalan dubtar, Occitan dobtar, French douter and Italian dubitare.[4][6][2] Corominas finds it surprising that so basic a verb should be a learned word when the French and Occitan verbs are popular ones.[2] He considers whether the /u/ of the verb could come from the following /b/, through an earlier *doudar, which would make it inherited, but since the Italian, Catalan and Portuguese verbs are clearly semi-learned, he thinks the Castilian one probably is too.[2] A popular Old Leonese dobdar did exist, with the noun dolda in charters of 1272 and 1282.[2]
Earliest recorded meaning
The earliest hit in the CDH is in the Fazienda de Ultra Mar (c. 1200, in a 13th-century copy), with the sense “doubt, disbelieve”: Odio Jacob e dubdo en su coraçon e no los creye “Jacob heard it and doubted in his heart and did not believe them”.[7] Corominas and the BDELC date the first record to Berceo (1220–1250), as dubdar.[2][3]
Semantic evolution
Because Latin dubius could already mean “critical, dangerous”, the verb took the sense “to fear” in Romance.[2] This is usual in Gallo-Romance and was current throughout medieval Castilian, in Berceo, the Libro de Alexandre, Juan Ruiz and López de Ayala, and down to the early 17th century.[2][8] The transitive construction, which the other Romance languages lack, was common in the Golden Age even with a noun as object; today it is mostly limited to clauses (dudo que, dudo si) and the pronoun lo.[2][9]
The Diccionario de Autoridades explained that the older dubdar was closer to Latin and that usage had since dropped the b.[10] The Academy's 1884 edition defined it as being undecided between contrary judgements and, transitively, as giving little credit to what one hears.[11] The DLE now gives three senses: to be in doubt about something, to hesitate between choices, and to distrust someone.[5]
Timeline
- c. 1200 – dubdo “he doubted” in the Fazienda de Ultra Mar, in a 13th-century copy.[7]
- 1218–c. 1250 – dubdare in the Fuero de Zorita de los Canes, the first CDH hit without a later copy.[7]
- 1220–1250 – Berceo uses dubdar, the first record for Corominas.[2][3]
- c. 1250 – the Libro de Apolonio has dubdar in the senses “to hesitate” and “to fear”.[8]
- 14th century – the form dudar in manuscripts of Juan Ruiz.[2]
- 1513 – Nebrija gives Latin dubito and ambigo.[12]
- 1726–1739 – the Diccionario de Autoridades notes that dubdar has given way to dudar.[10]
- 1884 – the Academy's dictionary first gives the etymology, from Latin dubitare.[11]
Meanings
Verb
- (transitive) To doubt, to be uncertain about something: Lo dudé un buen rato antes de firmar.[5][1]
- (intransitive, also transitive) To hesitate between one course and another: Duda entre estudiar medicina o derecho.[5][13]
- (intransitive) To distrust or suspect someone or something: Nadie duda de su honradez.[5]
Word family
- duda
- dudoso
- dudable
- indudable
Related words
References
- ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o Corominas, Joan; Pascual, José A. (1980–1991), Diccionario crítico etimológico castellano e hispánico, 6 vols., Madrid: Gredos, p. 2, 527
- ^ a b c d e f Corominas, Joan (1973), Breve diccionario etimológico de la lengua castellana, 3rd ed., Madrid: Gredos, p. s.v. dudar
- ^ a b García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. dubitare
- ^ 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. dudar
- ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. s.v. dubitare
- ^ 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. dudar
- ^ a b Boggs, R. S.; Kasten, Lloyd; Keniston, Hayward; Richardson, H. B. (1946), Tentative Dictionary of Medieval Spanish, 2 vols., Chapel Hill, N.C., p. 200
- ^ Cuervo, Rufino José (1886–1893), Diccionario de construcción y régimen de la lengua castellana, vols. I–II (A–D), París: A. Roger y F. Chernoviz, p. 2, 1333
- ^ a b Real Academia Española (1726–1739), Diccionario de la lengua castellana (Diccionario de Autoridades), 6 vols., Madrid: Francisco del Hierro, p. 3, 346
- ^ 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. 402
- ^ Nebrija, Antonio de (1513), Vocabulario español-latino, Salamanca, ed. Marina Vidal Díez (2007), Biblioteca Virtual Miguel de Cervantes, p. 338
- ^ Moliner, María (2007), Diccionario de uso del español, 3rd ed., Madrid: Gredos, p. s.v. dudar
Related etymologies
Cite this entry
“Dudar.” Etymologically, 7 Nov. 2026, etymologically.com/es/dudar. Accessed 7 Nov. 2026.
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