Etymologically

Etymology and origin of the Romanian word cui

Confidence
Established
Formation
Inherited
First attested
1341 place name Kunj More words from the 14th century
Inherited from
Latin cuneus
Ultimate origin
Latin cuneus
Etymology tree
inherited borrowed derived
Latin cuneus
French coin
Romanian cui
From the same root
French cogner ← coin
French coincer ← coin

Pronunciation

Forms

cui n (plural cuie)[1] Banat has the variant cuń.[2][3]

Etymology

It is inherited from Latin cuneus (“wedge”), a word continued throughout Romance.[2][4][5][6][3][1] The REW, Pușcariu, and Candrea and Densusianu give the same source.[4][7][8] The origin of the Latin word is unclear: a link with culex (“gnat”) meets a problem of vowel length, and De Vaan finds a loan from Ancient Greek γώνιος (gṓnios, “angular”) through Etruscan unconvincing.[9][1]

The word survives in Istria: Istro-Romanian cuñu.[2][4][10] Wiktionary takes Aromanian cunj from the same Latin word, perhaps through another language.[1] Albanian kunj is a loan from the same Latin word.[11][4] The Romance cognates include Italian cogno, French coin, Occitan cunh, Catalan cuny, Spanish cuño and Portuguese cunho.[4][7]

Earliest recorded meaning

The first record is the place name Kunj of 1341.[2][3] As a common noun it is first attested in 1508.[2]

Semantic evolution

The Latin wedge survives in Maramureș, where cui is a wedge for splitting logs.[5][2] Elsewhere the word came to mean the nail of wood or metal driven into wood or a wall, also used as a peg to hang things on.[6][2] In Teleorman it also names a wooden bolt and a sharp stabbing pain.[2]

Regional senses include a small glass of brandy in Maramureș, which Ștef links to the saying cui pe cui se scoate, and a children's colic in Muntenia.[12][13][14] In slang it names a joint or a hypodermic needle.[15] Derivatives are dated from the 17th century: cuńișor “small nail; clove” about 1650, and cuier “nail maker” in Corbea's dictionary (1691–1697).[2]

Timeline

  • 1341 – the place name Kunj, the first record.[2][3]
  • 1508 – first record as a common noun.[2]
  • c. 1650 – cuńișor “small nail; clove”.[2]
  • 1688 – the plural cuie in the Bucharest Bible.[16]
  • 1691-1697 – cuier “nail maker” in Corbea's dictionary.[2]
  • 1780-1801 – cuier “coat rack” in Micu's dictionary.[2]

Meanings

Noun

  1. A nail: a pointed pin of metal or wood with a flat head, driven in to join pieces or to hang things on.[6][1]
  2. A simple wall peg for hanging clothes.[6]
  3. Any of various pin-shaped parts of machines and tools;[6][5] cui spintecat is a split pin.[6][5]
  4. (regional) A wedge for splitting wood.[5][2]
  5. (slang) A joint of marijuana.[15][1]

Word family

  • cuia
  • cuier
  • cuișoară
  • cuișor
  • cuiuț

Usage notes

Common sayings: cui pe cui se scoate “one nail drives out another”, a new trouble makes one forget the old;[6][3] a-și pune pofta în cui “to hang one's desire on a nail”, to give up a wish;[6][3] cuiul lui Pepelea, a pretext someone keeps in order to bother another.[6][3] The pronoun cui “to whom, whose” is the dative and genitive of cine.[17][18]

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o Academia Română, Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti” (2011–), Dicționarul etimologic al limbii române (DELR), vol. I: A–B (2011), vol. II: C (2015–2018), București: Editura Academiei Române; continued online at delr.lingv.ro, p. s.v. cui
  3. ^ a b c d e f g Tiktin, Hariton (2000–2005), Rumänisch-deutsches Wörterbuch, 3rd ed., revised by Paul Miron and Elsa Lüder, 3 vols., Cluj-Napoca: Clusium, p. s.v. cui
  4. ^ a b c d e Ciorănescu, Alexandru (1958–1966), Diccionario etimológico rumano, La Laguna: Universidad de La Laguna (Romanian ed.: Dicționarul etimologic al limbii române, București: Saeculum, 2001), p. s.v. cui
  5. ^ a b c d e Academia Română, Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti” (2010), Micul dicționar academic, 2nd ed., 4 vols., București: Univers Enciclopedic Gold, p. 1, 565
  6. ^ a b c d e f g h i DEX (2009), Dicționarul explicativ al limbii române [Explanatory dictionary of the Romanian language], Bucharest: Editura Univers Enciclopedic, p. 256
  7. ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. 2396
  8. ^ Candrea, I.-A.; Densusianu, Ov. (1907–1914), Dicționarul etimologic al limbii române: elementele latine (A–Putea), București, p. 426
  9. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  10. ^ Byhan, Arthur (1899), Istrorumänisches Glossar, Sechster Jahresbericht des Instituts für rumänische Sprache zu Leipzig: 174–366
  11. ^ Demiraj, Bardhyl (ed.), Digitales philologisch-etymologisches Wörterbuch des Albanischen, Ludwig-Maximilians-Universität München
  12. ^ Papahagi, Tache (1925), Graiul și folklorul Maramureșului, București: Cultura Națională, p. 217
  13. ^ Ștef, Dorin (2011), Dicționar de regionalisme și arhaisme din Maramureș, Baia Mare: Ethnologica, p. s.v. cui
  14. ^ Marin, Maria; Mărgărit, Iulia, Glosar dialectal. Muntenia, București: Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti”, p. s.v. cui
  15. ^ a b Volceanov, George (2007), Dicționar de argou al limbii române, București: Niculescu, p. s.v. cui
  16. ^ Biblia, adecă Dumnezeiasca Scriptură a ceii vechi și a ceii noao leage, București, 1688 (ed. 1988, tricentennial edition), p. Josh 23:13
  17. ^ Candrea, I.-A.; Adamescu, Gh. (1926–1931), Dicționarul enciclopedic ilustrat „Cartea Românească”, București: Cartea Românească, p. s.v. cui
  18. ^ Cihac, A. de (1870), Dictionnaire d'étymologie daco-romane I: Éléments latins comparés avec les autres langues romanes, Frankfurt am Main, p. 66

Related etymologies

Cite this entry

“Cui.” Etymologically, 11 Nov. 2026, etymologically.com/ro/cui. Accessed 11 Nov. 2026.

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