The story
- Proto-Indo-European*kʷetwóres
- Proto-Hellenic*kʷétwores
- Ancient Greekτέσσᾰρες (téssăres)
- Ancient Greekτετρᾰ- (tetră-)
- Englishtetra-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*dʰéh₁s
- Proto-Indo-European*dʰh₁sós
- Proto-Hellenic*tʰehós
- Ancient Greekθεός (theós)
- Ancient Greekθεο- (theo-)
- Latintheo-
- Englishtheo-
- Englishtheism
- English todaytetratheism
Etymology from Wiktionary, CC BY-SA 4.0.