vandyke (n.)youdaoicibaDictYouDict[vandyke 词源字典]
"short, pointed beard," 1894, from the style shown on portraits by Flemish painter Anton Van Dyck (1599-1641); earlier "a type of collar with a deep cut edge" (1755) also from a style depicted in his paintings.[vandyke etymology, vandyke origin, 英语词源]