duo
n. countablen. two people who work together or are often seen together. You often use this for singers, actors, or friends who are a famous pair.
n. a pair of people who are associated with each other, especially in a professional or artistic context.
The comedy duo performed their best jokes tonight.
The dynamic duo led the marketing team to its most successful quarter in five years.
While both musicians have successful solo careers, they are most celebrated as a duo for their unique vocal harmonies and shared songwriting credits.
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.
Often used with the definite article 'the' when referring to a specific, well-known pair.