phillyrin
/ˈfɪlɪrɪn/Chemistry
noun
A bitter, crystalline glucoside, C27H34O11, obtained from the bark of Phillyrea latifolia and some other plants.
Origin
Mid 19th century; earliest use found in Robert Thomson (1810–1864), medical officer of health. From German Phillyrin from scientific Latin Phillyrea + German -in.