Etymograph

English

tychism

Tychism comes from Ancient Greek τύχη ‘chance’, and goes back to Proto-Indo-European *dʰewgʰ- ‘to produce, yield’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰewgʰ-1‘to produce, yield’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*tʰúkʰā1reconstructed
  3. Ancient Greekc. 800–300 BCEτύχη2túkhē‘chance’
  4. Englishtodaytychism2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek τύχη
  2. 2 Wiktionary, English tychism

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰewgʰ-Wiktionary, Ancient Greek τύχη‘to produce, yield’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*tʰúkʰāWiktionary, Ancient Greek τύχηreconstructed
  3. Ancient Greekc. 800–300 BCEτύχηWiktionary, English tychismtúkhē‘chance’
  4. EnglishtodaytychismWiktionary, English tychism

Linked words

through Proto-Indo-European *dʰewgʰ- ‘to produce, yield’

daughter, dock, dow, doughty, 11 more

Today it means

noun A theory suggesting that absolute chance, or indeterminism, is a real factor operative in the universe.

Sources

Sources: Wiktionary, “tychism”; the older steps come from the Wiktionary entry for Ancient Greek τύχη. 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 *dʰewgʰ- / tychism