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duo

 - 4 dictionary results

du⋅o

[doo-oh, dyoo-oh]
–noun, plural du⋅os.
1. Music. duet.
2. two persons commonly associated with each other; couple.
3. two animals or objects of the same sort; two things ordinarily placed or found together; a pair: a duo of lovebirds.

Origin:
1580–90; < It < L: two

duo-

a combining form meaning “two,” used in the formation of compound words: duologue.

Origin:
comb. form of Gk dýo, L duo two
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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du·o   (dōō'ō, dyōō'ō)   
n.   pl. du·os
  1. Music A duet, especially two performers singing or playing together.

  2. Two people or two things in close association: a duo of negotiators.


[Italian, from Latin, two; see dwo- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

duo 
1590 "song for two voices," via either It. or Fr. from L. duo "two."
Online Etymology Dictionary, © 2001 Douglas Harper
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