periwinkle (n.1)youdaoicibaDictYouDict[periwinkle 词源字典]
evergreen plant, c. 1500, diminutive of parvink (12c.), from Old English perwince, from Late Latin pervinca "periwinkle" (4c.), from Latin, perhaps from pervincire "to entwine, bind," from per- "thoroughly" (see per) + vincire "to bind, fetter" (see wind (v.1)).[periwinkle etymology, periwinkle origin, 英语词源]
periwinkle (n.2)youdaoicibaDictYouDict
kind of sea snail, 1520s, apparently an alteration of Old English pinewincle (probably by influence of Middle English parvink; see periwinkle (n.1)); from Old English pine-, which probably is from Latin pina "mussel," from Greek pine. The second element is wincel "corner; spiral shell," from Proto-Germanic *winkil-, from PIE root *weng- "to bend, curve" (see wink (v.)).