wimple
n.
"head and neck covering for women," formerly worn out of doors and especially by nuns, Old English wimpel, from Proto-Germanic *wimpilaz (cognates: Old Saxon wimpal, Old Frisian wimpel, Middle Dutch, Dutch wimpel, Old High German wimpal, German wimpel, Old Norse vimpill), of obscure origin. Old French guimple (French guimpe) is from Germanic.