Word.ws English Dictionary

twi-

twi- prefix: two.

Prefix

twi-

  1. (idiomatic, rare) two
    • twi-headed
  2. (idiomatic, rare) double, both
    • twilight, twisexual, twi-tongued

Synonyms of twi-

Origin of twi-

From Middle English twi-, from Old English twi- (“two, double”), from Proto-Germanic *twi- (“two-, double-”), from Proto-Indo-European *dwi- (“two-, double-”) (compare Proto-Germanic *twiz- (“twice”), from Proto-Indo-European *dwís (“twice”)), from Proto-Indo-European *dwóh₁ (“two”). Compare twin, twice, two, and see more details at two. Further related to the prefixes bi-, di-, and dis-. Cognate with German zwie- (“twice”), Swedish tve- (“twi-, double”), Russian дву- (dvu-), двух- (dvux-) Old Prussian dwi- (“twi-”), Latin bi-, bis (“twice”) (< Old Latin dui-, duis).

Questions about twi-

What does twi- mean?
Twi- means two.
What part of speech is twi-?
Twi- is a prefix.

Words near twi- in the dictionary

  1. Twetens
  2. twetiquette
  3. twey
  4. TWH
  5. TWI
  6. twi-
  7. twi-colored
  8. twi-coloured
  9. twi-faced
  10. twi-gated
  11. twi-hard

Source and license

Adapted from Wiktionary: twi- (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.

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Cite this entry: “twi-.” Word.ws, https://word.ws/twi-. Based on Wiktionary, CC BY-SA 4.0.