The story
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Englishsub-
- Ancient Greekβακτηρία (baktēría)
- Ancient Greekβακτήριον (baktḗrion)
- New Latinbactēria
- Englishbacteria
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishbacterial
- English todaysubbacterial
Etymology from Wiktionary, CC BY-SA 4.0.