Etymograph

English

theist

Theist comes from Ancient Greek θεός ‘god’, 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‘god’
  6. Englishearliest quotation 1764theist1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English theist
  2. Earliest quotation in Wiktionary’s entry: 1764, Voltaire: “The theist is a man firmly persuaded of the…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-Wiktionary, English theist‘to do’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰéh₁sWiktionary, English theist‘god, godhead, deity’reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁sósWiktionary, English theistreconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*tʰehósWiktionary, English theist‘god, deity’reconstructed
  5. Ancient Greekc. 800–300 BCEθεόςWiktionary, English theisttheós‘god’
  6. Englishearliest quotation 1764theistWiktionary, English theist. Earliest quotation in Wiktionary’s entry: 1764, Voltaire: “The theist is a man firmly persuaded of the…”

Linked words

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

do, fact, deal, hot, defense, fan, benefit, fashion, feature, mid, defence, sufficient, treasury, custom, treasure, ethnic, theme, defendant, ethical, doom, tick, deed, synthetic, auditorium, auditor, aesthetic, demi, deem, spade, thesis, ethic, familial, medial, forfeit, medallion, prefect, certify, ethos, duma, thematic, 113 more

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

fair, feast, dis, feral, fanatic, profanity, profane, fane, fayre, 23 more

through Ancient Greek θεός ‘god’

theology, atheism, apotheosis, monotheism, polytheism, pantheism, 16 more

Today it means

noun One who believes in the existence of a god or gods.

Sources

Sources: Wiktionary, “theist”. 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- / theist

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