English

aerogun

From aero- + gun.

Formed from aero- + gun

Proto-Indo-European *h₂ews- ‘dawn’

Proto-Indo-European *h₂ewsér ‘in the direction of dawn, east’

Proto-Hellenic *auhḗr ‘morning mist’

Ancient Greek ἀήρ ‘air’

Ancient Greek ἀέρος

English aero-

Middle English gunne

English gun

Today it means

noun An antiaircraft cannon.

Language periods are conventional ranges, not dates for this word.