Pronunciation
Etymology
() From Middle English frouncen from Old French froncir "to wrinkle, frown", of Germanic origin, from Frankish *hrunkja "a wrinkle" from Proto-Germanic *xrunkjō, *xrunkitō (“fold, wrinkle”) from Proto-Indo-European *(s)ker- (“to turn, bend”). Akin to Old High German runza "fold, wrinkle, crease" (German Runzel "wrinkle"), Middle Dutch ronse "frown", Old Norse hrukka "wrinkle, crease" (Icelandic hrukka "wrinkle, crease, ruck"). More at ruck2.