the.com/gateway

a threshold pretending to be furniture, deciding who passes and who waits.

means An opening, structure, or point of entry that controls or provides access from one space, network, or state to another.

from A compound of plain old English bones: 'gate,' from Old English 'geat' (an opening in a wall or fence), plus 'way,' from Old English 'weg' (a road or path), itself a cousin of Latin 'via' and the root of 'vehicle' and 'wagon.' So a gateway is literally the 'gate-road' — the way that runs through the opening. The figurative senses (a gateway drug, a gateway to success, a network gateway) all lean on the same image: a hinged threshold standing between where you are and where you might go.

drug myth
gateway drug theory has weak scientific backing
computing
a gateway translates between two different networks
the arch
St. Louis Gateway Arch stands 630 feet tall
etymology
literally the way through a gate
biology
cells use gateway channels to control ion flow
for instance

gateway arch — 630-foot stainless steel monument in st. louis, completed 1965

gateway of india — 1924 stone arch in mumbai built to commemorate british king's visit

brandenburger tor — 18th-century neoclassical gate in berlin, symbol of german reunification

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