duo

From French duo or Italian duo, from Latin duo (“two”), from Proto-Indo-European *dwóh₁.

Cognate to two from Proto-Indo-European.

• (UK) IPA^(key): /ˈdjuː.əʊ/, /ˈdʒuː.əʊ/
• (US) IPA^(key): /ˈdu.oʊ/, /ˈdju.oʊ/

duo (plural duos)

1. Two people who work or collaborate together as partners; especially, those who perform music together.
2. Any pair of two people.
3. Any cocktail consisting of a spirit and a liqueur.
4. A song in two parts; a duet.
   • 2009, Roger T. Dean, The Oxford Handbook of Computer Music

     I noticed early on, in playing a duo with a violinist, that when a very cheesy synthesized violin sound plays in counterpoint with a real violin, it can quite convincingly seem as if two violins are playing.

• duet

• trio
• quartet

• oud

duo n

1. duet

• duet

• duál
• dualita
• duální
• dualismus
• dualista
• dualistický

• duo in Příruční slovník jazyka českého, 1935–1957
• duo in Slovník spisovného jazyka českého, 1960–1971, 1989

From French duo or Italian duo, from Latin duo (“two”), from Proto-Indo-European *dwóh₁.

• IPA^(key): /ˈdy(ʋ)oː/

• audio

  (file)

• Hyphenation: duo

duo n (plural duo's, diminutive duootje n)

1. twosome

• tweetal

• cabaretduo

• oud

From du +‎ -o.

duo (accusative singular duon, plural duoj, accusative plural duojn)

1. twosome, pair, couple

duo

1. duo, twosome

Borrowed from Italian duo. Doublet of deux.

• IPA^(key): /dɥo/

duo m (plural duos)

1. duo (combination of two things)
2. (music) duet (a musical composition for two performers)

• solo, trio

• “duo” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

• d'où

duo

1. two

From Latin duo (“two”), from Proto-Italic *duō, from Proto-Indo-European *dwóh₁.

• IPA^(key): /ˈdu.o/, [ˈd̪uːo]
• Hyphenation: dù‧o

duo

1. Obsolete form of due.

duo m or f (invariable)

1. Obsolete form of due.

duo m (invariable)

1. Obsolete form of due.
2. duo
3. (music) duet

• (2, 3): duetto

• due

• Symbol: II

From Proto-Italic *duō, from Proto-Indo-European *dwóh₁. Cognates include Ancient Greek δύο (dúo), Sanskrit द्व (dvá) and Old English twā (English two).

• (Classical) IPA^(key): /ˈdu.o/, [ˈdʊ.ɔ]
• (Ecclesiastical) IPA^(key): /ˈdu.o/, [ˈduː.o]

• Audio (Classical)

  (file)

duo m pl (feminine duae, neuter duo); irregular

1. two; 2
   • 27 BCE – 25 BCE, Titus Livius, Ab urbe condita libri 45:

     Dixit duas res ei rubori fuisse.

     He said that two things had abashed him.

   • 405 CE, Jerome, Vulgate Zacharias.4.12:

     et respondi secundo et dixi ad eum quid sunt duae spicae olivarum quae sunt iuxta duo rostra aurea in quibus sunt suffusoria ex auro

     And I answered again, and said unto him, What be these two olive branches which through the two golden pipes empty the golden oil out of themselves?

   • 1500, Desiderius Erasmus, Adagia

     Ne Hercules quidem adversus duos.

     "Not even Hercules fights against two."

• See Appendix:Latin cardinal numbers.

Irregular, no singular.

Note: The genitive masculine and neuter can also be found in the contracted form duum (also spelt duûm).

• duabus sellis sedeo

• Eastern:
  • Aromanian: doi, dao
  • Istro-Romanian: doi
  • Romanian: doi m, două f
• Franco-Provençal: doux
• Gallo-Italian:
  • Piedmontese: doi
  • Venetian: do m, due f
• Iberian:
  • Aragonese: dos
  • Old Leonese: [Term?]
    • Asturian: dos
    • Mirandese: dous m, dues f
  • Old Portuguese: dous m, duas f
    • Galician: dous m, dúas f
    • Portuguese: dois m, duas f
  • Old Spanish: dos
    • Ladino: dos
    • Spanish: dos
• East Iberian:
  • Old Occitan: dos m, doas f, doi
    • Catalan: dos m, dues f
    • Occitan: dos m, doas f, dui, doi, (Aranese) dus
• Italo-Dalmatian:
  • Dalmatian: doi
  • Istriot: dui, duj
  • Italian: due
    • Corsican: due
    • → English: duo
    • ⇒ Italian: duetto
      • → English: duet
  • Neapolitan: dduje
  • Sicilian: dui
• Oïl:
  • Old French: deus
    • Middle French: deus
      • French: deux
      • Norman: deux, daeux
    • Walloon: deus
• Rhaetian:
  • Friulian: doi, dôs
  • Ladin: doi
  • Romansch: dus m, duas f
• Southern:
  • Sardinian: duos, duas
• Constructed:
  • Esperanto: du
  • Ido: du
  • Interlingua: dua
  • Novial: du

• Appendix:Latin cardinal numbers

• duo in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• duo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• duo in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• duo in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • to divide into two factions: in duas partes discedere (Sall. Iug. 13. 1)
    
  • to form two legions: efficere duas legiones
    

duo (Zhuyin ˙ㄉㄨㄛ)

1. Pinyin transcription of 𦕰

duo

1. Nonstandard spelling of duō.
2. Nonstandard spelling of duó.
3. Nonstandard spelling of duǒ.
4. Nonstandard spelling of duò.

• English transcriptions of Mandarin speech often fail to distinguish between the critical tonal differences employed in the Mandarin language, using words such as this one without the appropriate indication of tone.

From Proto-Malayic *dua, from Proto-Malayo-Chamic *dua, from Proto-Malayo-Sumbawan *dua, from Proto-Sunda-Sulawesi *dua, from Proto-Malayo-Polynesian *duha, from Proto-Austronesian *duSa.

duo

1. two

duo m (definite singular duoen, indefinite plural duoer, definite plural duoene)

1. a duo (a group of two entertainers, or a piece of music for two musical instruments (also known as a duet))

duo m (definite singular duoen, indefinite plural duoar, definite plural duoane)

1. a duo (as above)

Borrowed from Italian duo.

duo m (plural duos)

1. duo

• (duo): dupla

duo c

1. duo, duet

From Proto-Malayo-Polynesian *duha, from Proto-Austronesian *duSa.

duo

1. two