lapachol
noun
la·pa·chol
ləˈpäˌchȯl,
-chōl
plural -s
: a yellow crystalline coloring matter C15H14O3 derived from alpha-naphthoquinone and found in the grain of lapacho and similar woods
Word History
Etymology
International Scientific Vocabulary lapach- (from lapacho) + -ol; originally formed in French