'aeromicrobiology' originates from Greek, specifically the words 'aero' meaning 'air', 'micro' meaning 'small', and 'bios' meaning 'life', combined with 'logia' meaning 'study of'.

'aeromicrobiology' was formed by combining the Greek roots 'aero-', 'micro-', and 'bio-' with the suffix '-logy' to denote the study of small life forms in the air.

Initially, it meant 'the study of small life forms in the air', and this meaning has largely remained the same in modern usage.