The story
- Proto-Indo-European*pleh₁-
- Proto-Indo-European*polh₁ús
- Ancient Greekπολῠ́ς (polŭ́s)
- Englishpoly-
- Proto-Indo-European*(s)mer-
- Proto-Indo-European*(s)méros
- Proto-Hellenic*(h)méros
- Ancient Greekμέρος (méros)
- Englishpolymer
- Englishpolymerize
- English todaypolymerizable
From polymerize + -able.
Etymology from Wiktionary, CC BY-SA 4.0.