fenster

noun

fen·​ster

ˈfenztə(r),

-n(t)st-

plural -s

: an erosional opening down through overthrust rock exposing the underlying rock

called also window

Word History

Etymology

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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