Word.ws English Dictionary

duo-

duo- prefix: two.

Prefix

duo-

  1. two
    Synonyms:
    di-, bi-

Synonyms of duo-

Origin of duo-

PIE word *dwóh₁ Etymology tree Proto-Indo-European *dwóh₁ Proto-Italic *duō Latin duo English duo- From Latin duo (“two”).

Questions about duo-

What does duo- mean?
Duo- means two.
What part of speech is duo-?
Duo- is a prefix.

Words near duo- in the dictionary

  1. duny
  2. Dunya
  3. dunzo
  4. duo
  5. duo euthanasia
  6. duo-
  7. Duo-Tang
  8. Duo-Tangs
  9. duobinary
  10. duocarmycin
  11. duocarmycins

Source and license

Adapted from Wiktionary: duo- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

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