The story
- Proto-Indo-European · derived from*pap-“pock mark, nipple”
- Old English · derived frompiplian
- Old English · inherited from*pipel
- Middle English · inherited frompymple
- English todaypimple
Early Modern English pimple, pumple, from Middle English pymple, pympyl, of uncertain origin but probably a nasalized variant of Old English *pipel, *pypel, from Old English piplian, pyplian (“to break out in pimples, show eruptions”), probably related to Latin papula (“pimple, pustule”) (from Proto-Indo-European *pap- (“pock mark, nipple”)). Akin to Old English pipliġende (“having shingles”).
Etymology from Wiktionary, CC BY-SA 4.0.