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fenster

noun fen·ster \ ˈfenztə(r) , -n(t)st- \

Definition of fenster

plural -s
:an erosional opening down through overthrust rock exposing the underlying rock — called also window

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Origin and Etymology of fenster

German, literally, window, from Old High German; akin to Old English fenester window, Middle Low German & Middle Dutch venster, venstere; all from a prehistoric West Germanic word borrowed from Latin fenestra

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