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window

/ˈwɪndoʊ/

An opening admitting light, air, or a view

From O.Norse and Germanic wind (Moving air) + O.Norse and Germanic eye (Eye).

noun
verb
wind
Old Norse
AI-inferred
vindr
“wind,” air moving through an opening
eye
Old Norse
Verified
auga
“eye”; also extended to an eye-like opening

from Old Norse vindauga (Old Danish vindue )

+1 more source
Combined
vindauga
Old Norse compound literally meaning “wind-eye” or “wind-hole,” an unglazed opening in a wall or roof
Middle English
Verified
wyndowe, wyndown
Borrowed from Old Norse and used for an opening admitting air or light

from Middle English wyndowe, wyndown

Modern English
AI-inferred
window
Now usually an opening fitted with a frame and transparent or translucent material
Modern English
window

Picture a Viking house in the North Atlantic: no glass, no neat little panes, just a hole in the wall or roof where the weather could wander in. The Norse called this a vindauga—literally a “wind-eye,” with vindr meaning “wind” and auga meaning “eye.” English adopted the compound around 1200, replacing native Old English terms such as ēagþȳrel, or “eye-hole.” Wait, really? The familiar word for a glazed pane began life describing an opening that was specifically good at admitting drafts. As glass windows spread through medieval buildings, the old “wind-eye” name stayed, while the rival Latin-based fenester gradually disappeared from English. So every time you look through a window, you are looking through a fossilized Viking metaphor: an eye in the wall, originally designed less to show you the world than to let the wind in.

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