opopanax/əˈpɒpənaks/EtymologyBorrowed from Latin opopanax, from Hellenistic Greek ὀποπάναξ (opopánax), from Ancient Greek ὀπός (opós, “vegetable juice”) + πάναξ (pánax, “any of several plants believed to have medicinal benefits”).opopanax means A gum resin obtained from the root of Opopanax chironium, formerly used in medicine. Lexicurio rates it Sui generis — a strength score of 88 out of 100.opopanax is pronounced /əˈpɒpənaks/.nounA gum resin obtained from the root of Opopanax chironium, formerly used in medicine.A perfume made from the gum resin of various trees.“they were hit by a strong polyaromatic gust [...] which included alcohol fumes, tobacco and hemp-smoke, a spectrum of inexpensive scent in which opopanax and vervain figured prominently”The popinac or opopanax tree (Acacia farnesiana, syn. Vachellia farnesiana), an acacia of America.