n.
Pronunciation: ' f ə s-tik
Function: noun
Etymology: Middle English fustyk smoke tree, from Middle French fustoc, from Arabic fustuq, from Greek pistak ē pistachio tree ― more at PISTACHIO
Date: 15th century
: the wood of a tropical American tree ( Chlorophora tinctoria ) of the mulberry family that yields a yellow dye also : any of several similar dyewoods