Definition of "mustiphini"

Some authors, who have treated on the West Indies, do not count so far; but the writer of this, has seen more than one family of Quintroons by Mustiphini mothers in a state of slavery; which of course, would not have been the case, had they been those persons called white by law.

1828, Marly, Or, A Planter's Life in Jamaica‎, page 183

a mulatto is the offspring of a white man by a negress; a quadroon is the offspring of a white man and a mulatto mother; the child of a quadroon by a white man is a mustee the child of a white man by a mustee woman is a mustiphini; the child of a mustiphini by a white father is a quintroon

1833 Frederic William Naylor Bayley Four Years' Residence in the West Indies p. 493