tarbrush (n.)youdaoicibaDictYouDict[tarbrush 词源字典]
1711, from tar (n.1) + brush (n.1). To have a touch of the tarbrush "have a dash of African ancestry visible in the skin tone" (1796) was "a term of contempt from the West Indies" [Century Dictionary].[tarbrush etymology, tarbrush origin, 英语词源]