duo

See also: Appendix:Variations of "duo"

English

Etymology

PIE word
*dwóh₁

From French duo or Italian duo, from Latin duo (“two”), from Proto-Italic *duō, from Proto-Indo-European *dwóh₁. Doublet of two, which was inherited via Proto-Germanic.

Pronunciation

(UK) IPA^(key): /ˈdjuː.əʊ/, /ˈdʒuː.əʊ/
Audio (UK) (file)
(US) IPA^(key): /ˈdu.oʊ/, /ˈdju.oʊ/
Rhymes: -uːəʊ

**English numbers ^(edit)**
← 1	2	3 → ^{[a], [b]}
Cardinal: two Ordinal: second Latinate ordinal: secondary Adverbial: two times, twice Multiplier: twofold Latinate multiplier: double Distributive: doubly Collective: both, pair, twosome Multiuse collective: doublet, couple, couplet Greek or Latinate collective: dyad Metric collective prefix: double- Greek collective prefix: di-, duo- Latinate collective prefix: bi- Fractional: half Metric fractional prefix: demi- Latinate fractional prefix: semi- Elemental: twin, doublet Greek prefix: deutero- Number of musicians: duo, duet, duplet Number of years: biennium

Noun

duo (plural duos)

Two people who work or collaborate together as partners; especially, those who perform music together.
Any pair of two people.
Any cocktail consisting of a spirit and a liqueur.
A song in two parts; a duet.
- 2009, Dean, Roger T., 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.

Synonyms

(pair of two people): couple, pair, twosome; see also Thesaurus:duo

Derived terms

comedy duo
lip duo

Related terms

duet

Descendants

→ Finnish: duo

Translations

twosome, especially musicians

Chinese:
Mandarin: 二重唱 (zh) (èrchóngchàng) (vocal), 二重奏 (zh) (èrchóngzòu) (instrumental)
Danish: duo (da) c
Dutch: duo (nl) n, paar (nl) n, koppel (nl) n
Esperanto: duopo
French: duo (fr) m
German: Duo (de) n
Hebrew: צמד‎ (he) m (tsémed)
Hungarian: duó (hu)
Icelandic: dúó n, par (is) n
Italian: duo (it) m, duetto (it) m
Japanese: 二重唱 (ja) (にじゅうしょう, nijūshō) (vocal), 二重奏 (ja) (にじゅうそう, nijūsō) (instrumental), デュオ (ja) (dyuo), デュエット (ja) (dyuetto)
Maori: takirua, tokorua
Norwegian:
Bokmål: duo (no) m
Nynorsk: duo m
Portuguese: dupla (pt) f, par (pt) m
Russian: дуэ́т (ru) m (duét), дво́йка (ru) f (dvójka), (collective) дво́е (ru) pl (dvóje), па́ра (ru) f (pára)
Slovene: duet m
Spanish: dúo (es) m, dupla (es) f, equipo de dos m
Swedish: duo (sv) c

Anagrams

oud, udo

Central Dusun

**Central Dusun cardinal numbers**
< 1	2	3 >
Cardinal : duo Ordinal : koduo

Alternative forms

duwo

Etymology

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

Numeral

duo

two

Czech

Pronunciation

IPA^(key): [ˈduo]
Hyphenation: duo

Noun

duo n

duet

Declension

Declension of duo

	singular	plural
nominative	duo	dua
genitive	dua	duí
dative	duu	duím, duům
accusative	duo	dua
vocative	duo	dua
locative	duu	duích, duech
instrumental	duem	duy

Synonyms

duet

Related terms

duál
dualita
duální
dualismus
dualista
dualistický

Dutch

Etymology

From French duo or Italian duo, from Latin duo (“two”).

Pronunciation

IPA^(key): /ˈdy(ʋ)oː/
audio (file)
Hyphenation: duo

Noun

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

twosome

Synonyms

tweetal

Derived terms

cabaretduo
duobaan
duomoeder
duoraadslid
duovader
zangduo

Related terms

duet

Anagrams

oud

Esperanto

Etymology

From du +‎ -o.

Pronunciation

Audio (file)

IPA^(key): [ˈduo]
Rhymes: -uo
Hyphenation: du‧o

Noun

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

twosome, pair, couple
Synonyms: duopo, paro
the digit or figure two

Finnish

Etymology

Borrowed from English duo.

Pronunciation

IPA^(key): /ˈdu(ː)o/, [ˈdu(ː)o̞]
Rhymes: -uo
Syllabification^(key): duo

Noun

duo

duo, twosome

Declension

Inflection of duo (Kotus type 1/valo, no gradation)
nominative		duo	duot
genitive		duon	duojen
partitive		duoa	duoja
illative		duoon	duoihin
		singular	plural
nominative		duo	duot
accusative	nom.	duo	duot
accusative	gen.	duon	duot
genitive		duon	duojen
partitive		duoa	duoja
inessive		duossa	duoissa
elative		duosta	duoista
illative		duoon	duoihin
adessive		duolla	duoilla
ablative		duolta	duoilta
allative		duolle	duoille
essive		duona	duoina
translative		duoksi	duoiksi
instructive		—	duoin
abessive		duotta	duoitta
comitative		—	duoineen

Possessive forms of duo (type valo)
possessor	singular	plural
1st person	duoni	duomme
2nd person	duosi	duonne
3rd person	duonsa

French

Etymology

Borrowed from Italian duo. Doublet of deux.

Pronunciation

IPA^(key): /dɥo/

Noun

duo m (plural duos)

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

Descendants

→ Romanian: duo

Anagrams

d'où

Interlingua

Etymology

Borrowed from Latin duo (“two”).

Numeral

duo

two

Italian

Etymology

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

Pronunciation

IPA^(key): /ˈdu.o/
Rhymes: -uo
Hyphenation: dù‧o

Numeral

duo (invariable)

(obsolete) Alternative form of due

Noun

duo m (invariable)

(obsolete) Alternative form of due
duo
Synonym: duetto
(music) duet
Synonym: duetto

Related terms

due

Descendants

→ English: duo
- → Finnish: duo
→ French: duo
- → Romanian: duo
→ Norwegian:
- Norwegian Bokmål: duo
- Norwegian Nynorsk: duo
→ Polish: duo
→ Portuguese: duo
→ Swedish: duo

Anagrams

udo-

Latin

**Latin numbers ^(edit)**
	20
← 1	II 2	3 →
Cardinal: duo Ordinal: secundus Adverbial: bis Multiplier: duplex, duplus Distributive: bīnī Fractional: dīmidius, sēmis

Alternative forms

Symbol: II

Etymology

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

Pronunciation

(Classical) IPA^(key): /ˈdu.o/, [ˈd̪uɔ]

(Ecclesiastical) IPA^(key): /ˈdu.o/, [ˈd̪uːo]
Audio (Classical) (file)

Numeral

duo (feminine duae, neuter duo); numeral, plural only

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."

Usage notes

See Appendix:Latin cardinal numbers.

Declension

Numeral, plural only.

Number	Plural
Case / Gender	Masculine	Feminine	Neuter
Nominative	duo	duae	duo
Genitive	duōrum	duārum	duōrum
Dative	duōbus	duābus	duōbus
Accusative	duōs duo	duās	duo
Ablative	duōbus	duābus	duōbus
Vocative	duo	duae	duo

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

Derived terms

duabus sellis sedeo

Related terms

duālis
duplex
duplicō
duplus

Descendants

Balkan Romance:
- Aromanian: doi m, dao f, dau f, dauã f, doauã f
- Istro-Romanian: doi
- Romanian: doi m, două f
Dalmatian:
- Dalmatian: doi
Italo-Romance:
- Corsican: dui m, duie f
- Italian: due, duo, ⇒ duetto (see there for further descendants)
- Neapolitan: dduje
- Sicilian: dui
North Italian:
- Friulian: doi, dôs
- Istriot: dui, duj
- Ladin: doi
- Piedmontese: doi
- Romansch: dus m, duas f
- Venetian: do m, due f
Gallo-Romance:
- Franco-Provençal: doux
- Old French: deus
  - Middle French: deus
    - French: deux
    - Norman: deux, daeux
  - Walloon: deus
Occitano-Romance:
- Catalan: dos m, dues f
- Old Occitan: dos m, doas f, doi
  - Occitan: dos m, doas f, dui, doi, (Aranese) dus
Ibero-Romance:
- Aragonese: dos
- Old Leonese:
  - 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
Insular Romance:
- Sardinian: duos, duas
Constructed languages:
- → Esperanto: du
- → Ido: du
- → Interlingua: dua
- → Novial: du

References

“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 with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 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

Mandarin

Romanization

duo (duo⁵ / duo⁰, Zhuyin ˙ㄉㄨㄛ)

Hanyu Pinyin reading of 𦕰.

duo

Nonstandard spelling of duō.
Nonstandard spelling of duó.
Nonstandard spelling of duǒ.
Nonstandard spelling of duò.

Usage notes

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.

Minangkabau

**Minangkabau cardinal numbers**
< 1	2	3 >
Cardinal : duo Ordinal : kaduo

Etymology

From Proto-Malayic *dua, from Proto-Malayo-Chamic *dua, from Proto-Malayo-Sumbawan *dua, from Proto-Malayo-Polynesian *duha, from Proto-Austronesian *duSa. False cognate of Latin duo.

Numeral

duo

two

Norwegian Bokmål

Etymology

From Italian duo.

Noun

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

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

Norwegian Nynorsk

Etymology

From Italian duo.

Noun

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

a duo (as above)

Polish

Etymology

Borrowed from Italian duo, from Latin duo, from Proto-Italic *duō, from Proto-Indo-European *dwóh₁. Doublet of dwa (“two”).

Pronunciation

IPA^(key): /ˈdu.ɔ/
Rhymes: -uɔ
Syllabification: du‧o

Noun

duo n (indeclinable)

(music) duo (group of two musicians)
Synonym: duet
(music) duo (piece of music written for two musicians)
Synonym: duet
duo (group of two people or things)
Synonym: duet

Portuguese

Etymology

Borrowed from Italian duo.

Noun

duo m (plural duos)

duo
Synonym: dupla

Romanian

Etymology

From French duo.

Noun

duo n (plural duouri)

duet

Declension

Declension of duo

	singular		plural
	indefinite articulation	definite articulation	indefinite articulation	definite articulation
nominative/accusative	(un) duo	duoul	(niște) duouri	duourile
genitive/dative	(unui) duo	duoului	(unor) duouri	duourilor
vocative	duoule		duourilor

Swedish

Etymology

From Italian duo.

Noun

duo c

duo, duet

Declension

Declension of duo
	Singular		Plural
	Indefinite	Definite	Indefinite	Definite
Nominative	duo	duon	duor	duorna
Genitive	duos	duons	duors	duornas

West Coast Bajau

Etymology

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

Numeral

duo

two

Yoruba

Etymology

Contraction of dúró.

Pronunciation

IPA^(key): /dú.ó/

Verb

dúó

(Ondo) Ondo form of dúró (“to wait”)

duo

English

Etymology

Pronunciation

Noun

Synonyms

Derived terms

Related terms

Descendants

Translations

See also

Anagrams

Central Dusun

Alternative forms

Etymology

Numeral

Czech

Pronunciation

Noun

Declension

Synonyms

Related terms

Further reading

Dutch

Etymology

Pronunciation

Noun

Synonyms

Derived terms

Related terms

Anagrams

Esperanto

Etymology

Pronunciation

Noun

See also

Finnish

Etymology

Pronunciation

Noun

Declension

French

Etymology

Pronunciation

Noun

Descendants

See also

Further reading

Anagrams

Interlingua

Etymology

Numeral

Italian

Etymology

Pronunciation

Numeral

Noun

Related terms

Descendants

Further reading

Anagrams

Latin

Alternative forms

Etymology

Pronunciation

Numeral

Usage notes

Declension

Derived terms

Related terms

Descendants

See also

References

Mandarin

Romanization

Usage notes

Minangkabau

Etymology

Numeral

Norwegian Bokmål