Etymograph

English

atheist

Atheist comes from Latin atheos ‘an atheist’, from Ancient Greek ἄθεος ‘godless, without god’, and ultimately from 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‘god’
  6. Ancient Greekc. 800–300 BCEἄθεος1átheos‘godless, without god’
  7. Latinc. 75 BCE–200 CEatheos1‘an atheist’
  8. Middle Frenchc. 1400–1600athéiste1
  9. Englishearliest quotation 1571atheist1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English atheist
  2. Earliest quotation in Wiktionary’s entry: 1571, Arthur Golding, The Epistle Dedicatory: “Ageine, the Atheistes, which say in their hartes there…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-Wiktionary, English atheist‘to do’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰéh₁sWiktionary, English atheist‘god, godhead, deity’reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁sósWiktionary, English atheistreconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*tʰehósWiktionary, English atheist‘god, deity’reconstructed
  5. Ancient Greekc. 800–300 BCEθεόςWiktionary, English atheisttheós‘god’
  6. Ancient Greekc. 800–300 BCEἄθεοςWiktionary, English atheistátheos‘godless, without god’
  7. Latinc. 75 BCE–200 CEatheosWiktionary, English atheist‘an atheist’
  8. Middle Frenchc. 1400–1600athéisteWiktionary, English atheist
  9. Englishearliest quotation 1571atheistWiktionary, English atheist. Earliest quotation in Wiktionary’s entry: 1571, Arthur Golding, The Epistle Dedicatory: “Ageine, the Atheistes, which say in their hartes there…”

Linked words

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

do, fact, deal, hot, defense, fan, benefit, fashion, mid, feature, defence, sufficient, treasury, custom, treasure, theme, ethnic, defendant, ethical, doom, tick, deed, synthetic, auditorium, aesthetic, auditor, thesis, demi, deem, spade, ethic, familial, medial, forfeit, ethos, thematic, 117 more

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

fair, feast, fanatic, 29 more

through Proto-Hellenic *tʰehós ‘god, deity’

18 more

through Ancient Greek θεός ‘god’

theology, 21 more

Today it means

noun A person who does not believe in deities or gods.

Sources

Sources: Wiktionary, “atheist”. 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- / atheist