di-

/ˈdaɪ//ˌdaɪ/

prefix

Two.

“dijet”

OriginLatin di- ← Ancient Greek δι- →
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Meanings

di-1

prefix
  1. Two.

    diarchy

    3 more examples

    diacetate

    dialkene

    diactinal

  2. Double, twice the quantity.

    dichoree

    2 more examples

    diglossia

    dicatalectic

  3. A pair.

    dijet

    2 more examples

    diblock

    dimeson

  4. Both, possessing two distinct (possibly opposing) qualities.

    dikinetic

    2 more examples

    dialetheism

    dianalytic

di-2

prefix
  1. alternativeAlternative form of dis-: split, to split; shortened before l, m, n, r, s (followed by a consonant), and v; also often shortened before g, and sometimes before j.

    divide

    1 more example

    diverge

di-3

prefix
  1. alternativeAlternative form of dia-: across or through, before a vowel.

    diactinic

    1 more example

    dielectric

Synonyms & antonyms

Also see
bi-duo-twi-

Origin

di- · prefix

  1. Ancient Greekδι-“two”
  2. Latindi-
  3. Englishdi-

PIE word *dwóh₁ Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δῐ- (dĭ-)bor. Latin di-bor. English di- Borrowed from Latin di-, from Ancient Greek δι- (di-, “two”).

More words from Latin, Ancient Greek

Full word history & related roots →

di- · prefix

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*trísinflu.
  3. Proto-Indo-European*d(w)is-
  4. Proto-Italic*dis-
  5. Latindis-
  6. Englishdi-

Borrowed from Latin dis-.

More words from Latin

Full word history & related roots →

di- · prefix

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Englishdi-

Borrowed from Ancient Greek δῐ- (dĭ-).

More words from Ancient Greek

Full word history & related roots →

Translations

Catalan di-
  • di-two, twice, double
Chinese Mandarin 兩 /两, 二
  • 兩 /两 (liǎng)two, twice, double
  • 二 (èr)two, twice, double
  • 雙 /双 (shuāng)two, twice, double
Dutch di-
  • di-two, twice, double
Finnish bi-, di-
  • bi-two, twice, double
  • di-two, twice, double
  • kaksois-two, twice, double
  • tupla-two, twice, double
French di-
  • di-two, twice, double
German di-, zwei-
  • di-two, twice, double
  • zwei-two, twice, double
  • doppel-two, twice, double
Hindi द्वि
  • द्वि (dvi)two, twice, double
Italian di-
  • di-two, twice, double
Japanese 二, 両
  • 二 (ji)two, twice, double
  • 両 (ryō)two, twice, double
  • 双 (sō)two, twice, double
Malay dwi-
  • dwi-two, twice, double
Polish di-, dy-
  • di-two, twice, double
  • dy-two, twice, double
Portuguese di-
  • di-two, twice, double
Russian двух-, дву-
  • двух- (dvux-)two, twice, double
  • дву- (dvu-)two, twice, double
  • двое- (dvoje-)two, twice, double
  • ди- (di-)two, twice, double
Spanish di-
  • di-two, twice, double
Swedish di-
  • di-two, twice, double
Cite this entry
APA

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

MLA

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

Chicago

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

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