A poetic or journalistic set phrase for an airport, literally 'gateway to the sky'. Used to emphasize an airport's role as a point of arrival or departure, often in tourism or promotional contexts.
Compound of 空 (そら, 'sky') + の (possessive particle) + 玄関 (げんかん, 'entrance, front door'). The phrase metaphorically likens an airport to the entrance of a house, emphasizing its role as a welcoming point for air travelers.
