A sunken open area at the base of a building (especially below street level) that allows light and air to reach basement windows.
From 'area' (Latin for open space) combined with 'way' (Old English weg, meaning path or passage). This architectural term emerged in English in the 18th century.
Urban explorers notice these little sunken wells outside old brownstones in New York and London—they're actually brilliant design from the 1800s when basements were living spaces and needed access to light and fresh air without extending above street level.
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