duo

¹

[doo-oh, dyoo-oh]

noun

plural

duos 

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.

duo-

²

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

   duologue.

duo

¹

/ ˈdjuːəʊ /

noun

1. music

   1. a pair of performers

   2. another word for duet

2. a pair of actors, entertainers, etc

3. informal,  a pair of closely connected individuals

duo-

²

combining form

1. indicating two

   duotone

Word History and Origins

Origin of duo¹

1580–90; < Italian < Latin: two

Origin of duo²

Combining form of Greek dýo, Latin duo two

Word History and Origins

Origin of duo¹

C16: via Italian from Latin: two

Origin of duo²

from Latin

Related Words

• pair 

When To Use

What does duo- mean?

Duo- is a combining form used like a prefix meaning “two.” It is occasionally used in technical terms.Duo- comes from Greek dýo and Latin duo, both meaning “two.” In fact, English’s own word two is related to these roots! Learn more at our entry at two.