The story
- Proto-Indo-European*gʷeyh₃-
- Ancient Greekβῐ́ος (bĭ́os)
- Ancient Greekβῐο- (bĭo-)
- Englishbio-
- Proto-Italic*wre-
- Latinre-
- Old Frenchre-
- Middle Englishre-
- Englishre-
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Proto-Indo-European*h₃reǵ-
- Proto-Indo-European*h₃réǵeti
- Proto-Italic*regō
- Latinregō
- Latinsubrigō
- Latinsurrigō
- Latinsurgere
- Old Frenchsourdre
- Old Frenchsours
- Middle Englishsours
- Englishsource
- Englishresource
- English todaybioresource
Etymology from Wiktionary, CC BY-SA 4.0.