fustee · noun1
Unclear. The 1911 Century Dictionary suggests it is a variation of mustee (the ending in any case matches mustee/mestee and costee, as well as dustee, which Century suggests might in turn be a variation of fustee). Perhaps compare fusty, or fustic, a yellow dye?
fustee · noun2
Etymology from Wiktionary, CC BY-SA 4.0.