ˈjərˌvēn, -_və̇n noun
( -s )
Etymology: New Latin jervina, from Spanish yervina, perhaps from yervo vetch, chick-pea (from Latin ervum ) + -ina -ine
: a crystalline alkaloid C 26 H 39 NO 3 related in structure to the steroids and found in the rhizomes and roots of white hellebore, American hellebore, and other species of the genus Veratrum