Etymology
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wimple (n.)

"head and neck covering for women," formerly worn out of doors and especially by nuns, Old English wimpel, from Proto-Germanic *wimpilaz (source also of Old Saxon wimpal, Old Frisian wimpel, Middle Dutch, Dutch wimpel, Old High German wimpal, German wimpel, Old Norse vimpill), of obscure origin; perhaps from a suffixed, nasalized form of PIE root *weip- "to turn" on the notion of "something that winds around." Old French guimple (French guimpe) is from Germanic.

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gimp (n.2)
also gymp, ornamental material for trimming dresses, furniture, etc., 1660s, probably from French guimpe, Old French guimple "wimple, headdress, veil" (12c.), from Frankish *wimpil- or some other Germanic source (compare Old High German wimpal, and see wimple).
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