pea jacket (n.)youdaoicibaDictYouDict[pea jacket 词源字典]
1721, loan-translation of North Frisian pijekkat, from Dutch pijjekker, from pij "coarse woolen cloth" + jekker "jacket." Middle English had pee "coat of coarse, thick wool" (late 15c.). Related: Pea-coat.[pea jacket etymology, pea jacket origin, 英语词源]