The story
- Proto-Indo-European*h₂er-der.?
- Proto-Indo-European*h₂ergʰ-der.?
- Ancient Greekἄρχω (árkhō)
- Ancient Greekἀρχή (arkhḗ)
- Ancient Greekᾰ̓ρχαῖος (ărkhaîos)
- Ancient Greekβακτηρία (baktēría)
- Ancient Greekβακτήριον (baktḗrion)
- New Latinbactērium
- Englishbacterium
- English todayarchaebacterium
From Ancient Greek ᾰ̓ρχαῖος (ărkhaîos, “ancient”) + English bacterium.
Etymology from Wiktionary, CC BY-SA 4.0.