KoopmanWiktionary 原文英美词源链荷兰语DutchKoopman↓ 借入英语EnglishKoopman词源说明Anglicised from Dutch Koopman, an occupational surname referring to a merchant (Dutch koopman). Doublet of Chapman and Kaufman.释义专有名词proper noun1A surname from Dutch.同族词同源异形词 2Chapman·Kaufman