Etymograph

English

theo-

Theo- comes from Latin theos ‘god’, and goes back to Proto-Indo-European *dʰeh₁- ‘to do’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-‘to do’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*dʰéh₁s‘god, godhead, deity’reconstructed
  3. Proto-Indo-European, derivedc. 4500–2500 BCE*dʰh₁sósreconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*tʰehós‘god, deity’reconstructed
  5. Ancient Greekc. 800–300 BCEθεόςtheós‘god’
  6. Latinc. 75 BCE–200 CEtheos‘god’
  7. Englishtodaytheo-

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-‘to do’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*dʰéh₁s‘god, godhead, deity’reconstructed
  3. Proto-Indo-European, derivedc. 4500–2500 BCE*dʰh₁sósreconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*tʰehós‘god, deity’reconstructed
  5. Ancient Greekc. 800–300 BCEθεόςtheós‘god’
  6. Latinc. 75 BCE–200 CEtheos‘god’
  7. Englishtodaytheo-

Linked words

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

do, fact, deal, hot, defense, fan, benefit, fashion, feature, mid, defence, custom, sufficient, treasury, treasure, ethnic, theme, defendant, ethical, doom, tick, deed, aesthetic, synthetic, thesis, auditorium, auditor, demi, deem, spade, forfeit, ethic, familial, medial, 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, 21 more

through Proto-Hellenic *tʰehós ‘god, deity’

polytheism, pantheism, 14 more

through Ancient Greek θεός ‘god’

theology, atheist, atheism, monotheism, theism, apotheosis, theist, 16 more

Today it means

prefix god; deity

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *dʰeh₁- / theo-