etymologeek.com dictionary
English word airport comes from English port, English air.

Airport etymology history

Airport detailed word origin explanation

Dictionary entryLanguageDefinition
port English (eng) A type of very sweet fortified wine, mostly dark red, traditionally made in Portugal. (nautical) Of or relating to port, the left-hand side of a vessel. (computing) A female connector of an electronic device, into which a cable's male connector can be inserted.. (computing) A logical or physical construct in and from which data are transferred. Computer port (hardware) on [...]
air English (eng) (historical, medical) understood as a particular local substance with supposed effects on human health.. (historical, philosophy, alchemy) understood as one of the four elements of the ancient Greeks and Romans.. (informal) Nothing; absence of anything.. (music) A song, especially a solo; an aria.. (obsolete, chemistry) Any specific gas.. (physics) understood as a gaseous mixture of [...]
airport English (eng) An airfield (an area designated for the takeoff and landing of aircraft), including one or more runways and (for commercial airports) one or more passenger terminals.