English
aerofoil
From aero- + foil.
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-Italic *foljom
…
Late Latin folia ‘a leaf’
Old French fueille ‘plant leaf’
Middle French fueille
Middle English foyle ‘a leaf’
English foil
Today it means
noun —
Language periods are conventional ranges, not dates for this word.
Etymograph / aerofoil