Meaning

noun a duct that provides ventilation (as in mines)

noun a designated route followed by airplanes in flying from one airport to another

noun the passages through which air enters and leaves the body

originEtymology tree Proto-Indo-European *h₂ews- Proto-Indo-European *h₂ewsér Proto-Hellenic *auhḗr Ancient Greek ᾱ̓ήρ (āḗr)bor. Latin āēr Old French airbor. Middle English aire English air English way English airway From air + way.

Etymology from Wiktionary, CC BY-SA 3.0