duo
noun
[ ˈdjuːəʊ ]
• a pair of people or things, especially in music or entertainment.
• "the comedy duo Laurel and Hardy"
• a duet.
• "two duos for violin and viola"
Origin:
late 16th century (in duo (sense 2)): via Italian from Latin duo ‘two’.
duo-
combining form
• two; having two.
• "duopoly"
Origin:
from Latin.
