mousefall

From Middle English mousfalle, from Old English mūsfealle (“mousetrap”), from Proto-West Germanic *mūsfallā (“mousetrap”), equivalent to mouse + fall. Cognate with Scots mousfall (“mousetrap”), Saterland Frisian Muusefalle (“mousetrap”), West Frisian mûzefalle (“mousetrap”), Dutch muizenval (“mousetrap”), German Low German Muusfall, Muusfalle (“mousetrap”), German Mausfalle, Mausefalle (“mousetrap”).

来源：wiktionary