The story
- Proto-Indo-European*gʷʰer-
- Proto-Indo-European*gʷʰermos
- Proto-Hellenic*kʷʰermós
- Ancient Greekθερμός (thermós)
- Englishthermo-
- Ancient Greekχρόνος (khrónos)
- Englishchrono-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishchrono-
- Englishchronology
- Englishchronological
- English todaythermochronological
From thermo- + chronological.
Etymology from Wiktionary, CC BY-SA 4.0.