Etymograph

English

egotheism

Egotheism comes from Ancient Greek θεός ‘a deity’, and goes back to Proto-Indo-European *dʰeh₁- ‘to do’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-1‘to do’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰéh₁s1‘god, godhead, deity’reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁sós1reconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*tʰehós1‘god, deity’reconstructed
  5. Ancient Greekc. 800–300 BCEθεός1theós‘a deity’
  6. English1500–presenttheism1
  7. Englishtodayegotheism1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English egotheism

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-Wiktionary, English egotheism‘to do’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰéh₁sWiktionary, English egotheism‘god, godhead, deity’reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁sósWiktionary, English egotheismreconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*tʰehósWiktionary, English egotheism‘god, deity’reconstructed
  5. Ancient Greekc. 800–300 BCEθεόςWiktionary, English egotheismtheós‘a deity’
  6. English1500–presenttheismWiktionary, English egotheism
  7. EnglishtodayegotheismWiktionary, English egotheism

Linked words

through Proto-Indo-European *dʰeh₁- ‘to do’

do, fact, deal, defense, fan, hot, benefit, fashion, feature, mid, defence, custom, sufficient, treasury, theme, treasure, ethnic, defendant, ethical, doom, tick, deed, aesthetic, synthetic, auditorium, thesis, auditor, demi, deem, ethic, spade, familial, medial, forfeit, ethos, medallion, prefect, certify, thematic, duma, 111 more

through Proto-Indo-European *dʰéh₁s ‘god, godhead, deity’

fair, feast, dis, feral, fanatic, profanity, profane, fane, fayre, 21 more

through Ancient Greek θεός ‘a deity’

theology, atheist, atheism, apotheosis, polytheism, theist, pantheism, 14 more

through English theism

monotheism, 3 more

Today it means

noun The deification of one's own self.

Sources

Sources: Wiktionary, “egotheism”. 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 *dʰeh₁- / egotheism

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