olibanum

noun1

1. •
   A gum resin from trees of the genus Boswellia, formerly used as a medicine and now mainly as incense.

   • Aromatics were used, too, especially in necromancy, and an old recipe of that sort comprises Musk, Myrrh, Frankincense, Red Storax, Mastick, Olibanum, Saffron, Benzoin and Labdanum. — 1936