The story
- Proto-Indo-European*pleh₁-
- Proto-Indo-European*polh₁ús
- Ancient Greekπολῠ́ς (polŭ́s)
- Englishpoly-
- Englishextreme
- Proto-Indo-European*bʰil-
- Proto-Indo-European*bʰil-o-s
- Ancient Greekφίλος (phílos)
- Englishextremophile
- English todaypolyextremophile
From poly- + extremophile.
Etymology from Wiktionary, CC BY-SA 4.0.