Etymology of air

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Origin of air.
The word air derives from the French air from the Latin aerem (nom. aer), which is merely a transliteration of the Gree aer (gen. aeros) "air" [αήρ].

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From the same root:
air- (airbase, airborne, airconditioning, aircraft, air force, airline, airport etc);
aero- (aerobic, aerodrome, aerodynamics, aerology, aeroplane, aerosol, aerospace etc);
aerate, aeration, aerial, aerification, aerify, airing etc.
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In modern Greek (Romeika):
a) aeras: air [αέρας]
b) aerodromio: aerodrome, airport [αεροδρόμιο]
c) aeroplano: aeroplane [αεροπλάνο]
d) aerismos: airing [αερισμός]
d) aeroscafos: aircraft [αεροσκάφος]

OED
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