Etymograph

English

dilogy

Dilogy comes from Ancient Greek διλογία ‘repetition’, from δίς ‘twice’, and ultimately from Proto-Indo-European *dwóh₁ ‘two’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dwóh₁1‘two’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dwís2‘twice, doubly’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*dwís2reconstructed
  4. Ancient Greekc. 800–300 BCEδίς3dís‘twice’
  5. Ancient Greekc. 800–300 BCEδιλογία3dilogía‘repetition’
  6. Latinc. 75 BCE–200 CEdilogia3
  7. Englishearliest quotation 1885dilogy3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Indo-European *dwís
  2. 2 Wiktionary, Ancient Greek δίς
  3. 3 Wiktionary, English dilogy
  4. Earliest quotation in Wiktionary’s entry: 1885, The Journal of Hellenic studies: Volume : “why tragedy took the form of a trilogy —…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dwóh₁Wiktionary, Proto-Indo-European *dwís‘two’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dwísWiktionary, Ancient Greek δίς‘twice, doubly’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*dwísWiktionary, Ancient Greek δίςreconstructed
  4. Ancient Greekc. 800–300 BCEδίςWiktionary, English dilogydís‘twice’
  5. Ancient Greekc. 800–300 BCEδιλογίαWiktionary, English dilogydilogía‘repetition’
  6. Latinc. 75 BCE–200 CEdilogiaWiktionary, English dilogy
  7. Englishearliest quotation 1885dilogyWiktionary, English dilogy. Earliest quotation in Wiktionary’s entry: 1885, The Journal of Hellenic studies: Volume : “why tragedy took the form of a trilogy —…”

Linked words

through Proto-Indo-European *dwóh₁ ‘two’

two, doubt, vice, twin, dual, duo, vicious, dubious, duet, twain, disparate, twig, deuce, bes, 20 more

through Proto-Indo-European *dwís ‘twice, doubly’

defeat, binary, bis, biceps, binocular, betwixt, 11 more

through Proto-Hellenic *dwís

diplomacy, 3 more

Today it means

noun Ambiguous or equivocal speech or discourse.

Sources

Sources: Wiktionary, “dilogy”; the older steps come from the Wiktionary entries for Proto-Indo-European *dwís, Ancient Greek δίς. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *dwóh₁ / dilogy

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