The story
- Proto-Indo-European*ḱwey-
- Proto-Hellenic*kúwanos
- Ancient Greekκῠ́ᾰνος (kŭ́ănos)
- Ancient Greekκῠᾰ́νεος (kŭắneos)
- Englishcyano-
- Ancient Greekβακτηρία (baktēría)
- Ancient Greekβακτήριον (baktḗrion)
- New Latinbactērium
- Englishbacterio-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Englishbacteriology
- English todaycyanobacteriology
From cyano- + bacteriology.
Etymology from Wiktionary, CC BY-SA 4.0.