The term "jim crow" most likely came from a newspaper article from the 1830s a series of laws against minorities the jim crow act of 1884 a song and dance routine called jump jim crow

The term "Jim Crow" actually originated from an old song from the 1830s sung by Daddy Rice. Daddy Rice was a white man who covered his face in charcoal to represent black individuals, a practice commonly known as blackface. In this costume, he portrayed black people in a very stereotypical and offensive fashion. Therefore, the best answer for your question would be "a song and dance routine called Jump Jim Crow." Hope this helps.