The story
- Proto-Indo-European*gʷʰer-
- Proto-Indo-European*gʷʰermos
- Proto-Hellenic*kʷʰermós
- Ancient Greekθερμός (thermós)
- Englishthermo-
- Proto-Hellenic*plátʰyō
- Proto-Hellenic*plát͏̌t͏̌ō?
- Ancient Greekπλάσσω (plássō)
- Ancient Greekπλᾰστῐκός (plăstĭkós)
- Latinplasticus
- Englishplastic
- Englishplasticize
- English todaythermoplasticize
From thermo- + plasticize.
Etymology from Wiktionary, CC BY-SA 4.0.