the offspring of a white person and a quadroon; octoroon.
Origin of mustee
First recorded in 1690–1700; short variant of mestizo
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the offspring of a White person and a quadroon
any person of mixed ancestry
Word Origin for mustee
C17: shortened from mestizo
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"octoroon, offspring of a white and a quadroon," also "half-caste," 1690s, a corruption of Spanish mestizo (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper