The story
- Proto-Hellenic*plátʰyō
- Proto-Hellenic*plát͏̌t͏̌ō?
- Ancient Greekπλάσσω (plássō)
- Ancient Greekπλᾰστῐκός (plăstĭkós)
- Latinplasticus
- Englishplastic
- Ancient Greekσφαῖρᾰ (sphaîră)
- Latinsphaera
- Late Latinsphēra
- Old Frenchsphere
- Middle Englishspere
- Englishsphere
- English todayplastisphere
From plastic + -sphere, analogous to biosphere. Coined by American biologist Linda Amaral-Zettler.
Etymology from Wiktionary, CC BY-SA 4.0.