dia-

/daɪə/

prefix

through, across

Similar
trans-para-per-inter-mid-
OriginAncient Greek δῐᾰ- (dĭă-) ← Proto-Indo-European *dwís →
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Meanings

prefix
  1. through, across

    Synonyms: trans-, para-, per-

  2. between

    Synonyms: inter-, mid-

Synonyms & antonyms

prefixthrough, across

Similar
trans-para-per-

prefixbetween

Similar
inter-mid-
Also see
cross-inter-mid-para-per-thorough-trans-

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*trísinflu.
  3. Proto-Indo-European*dwís
  4. Ancient Greekδιά (diá)
  5. Ancient Greekδῐᾰ- (dĭă-)
  6. Englishdia-

From Ancient Greek prefix δια- (dia-), from διά (diá, “through, across, by, over”).

More words from Ancient Greek

Full word history & related roots →

Translations

French dia-
  • dia-Translations
Indonesian dia-
  • dia-Translations
Polish dia-
  • dia-Translations
Cite this entry
APA

dia-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/dia-

MLA

“dia-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dia-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “dia-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/dia-.

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