English
aerotechnic
From aero- + technic.
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-
Proto-Indo-European *tetḱ- ‘to create, produce’
Proto-Indo-European *téḱ-sneh₂
Ancient Greek τέχνη ‘skill, art’
Latin technicus ‘technical’
English technic
Today it means
adj aeronautic (relating to aeronautics)
Language periods are conventional ranges, not dates for this word.
Etymograph / aerotechnic