The story
- Proto-Indo-European*gʷeyh₃-
- Ancient Greekβῐ́ος (bĭ́os)
- Ancient Greekβῐο- (bĭo-)
- Englishbio-
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Old Latinen
- Latinin
- Old Frenchen
- Latinvibrāre?
- Vulgar Latin*virāre
- Old Frenchvirer
- Old Frenchviron
- Old Frenchenviron
- Middle Frenchenviron
- Middle Frenchenvironner
- Middle Frenchenvironnement
- Englishenvironment
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishenvironmental
- English todaybioenvironmental
From bio- + environmental.
Etymology from Wiktionary, CC BY-SA 4.0.