Having alleys; equipped with or provided with narrow passages or lanes between buildings.
From alley (narrow passage, from Old French alee) plus the adjectival suffix -ed (having the quality of). The -ed suffix creates an adjective from a noun.
Old cities are 'alleyed'—networks of narrow pathways that served medieval towns perfectly but now confuse tourists and satellite maps, showing how urban design literally changes how lost you can become.
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