duo-


duo-

pref. Two: duopsony.
[Latin, from duo, two; see dwo- in Indo-European roots.]

duo-

combining form indicating two: duotone. [from Latin]

du•o

(ˈdu oʊ, ˈdyu oʊ)

n., pl. du•os. 1. duet. 2. two persons commonly associated with each other; couple. 3. two things ordinarily placed or found together; a pair: a duo of lovebirds. [1580–90; < Italian < Latin: two]

duo-

a combining form meaning “two”: duotone. [comb. form of Greek dýo, Latin duo two]