The story
- Proto-Indo-European*gʷeyh₃-
- Ancient Greekβῐ́ος (bĭ́os)
- Ancient Greekβῐο- (bĭo-)
- Englishbio-
- Englishdegrade
- Englishdegradable
- Englishbiodegradable
- English todaybiodegradability
From biodegradable + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.