twi-

prefix

two

“twi-headed”

Similar

Meanings

prefix
  1. idiomaticraretwo

    twi-headed

  2. idiomaticraredouble, both

    twilight, twisexual, twi-tongued

Synonyms & antonyms

Similar

Origin

  1. Proto-Indo-European*dwóh₁“two”
  2. Proto-Indo-European*dwi-“two-, double-”
  3. Proto-Germanic*twi-“two-, double-”
  4. Old Englishtwi-“two, double”
  5. Middle Englishtwi-
  6. Englishtwi-

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).

Full word history & related roots →

Translations

German zwie-
  • zwie-two
Irish dé-
  • dé-two
Russian дву-, двух-
  • дву- (dvu-)two
  • двух- (dvux-)two
Cite this entry
APA

twi-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/twi-

MLA

“twi-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/twi-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “twi-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/twi-.

Source: twi- on Wiktionary, CC BY-SA 4.0.