sempervirine

\\ˌ ̷ ̷ ̷ ̷ˈvīˌrēn, -_rə̇n\ noun (-s)

Etymology: International Scientific Vocabulary sempervir- (from New Latin sempervirens — specific epithet of the woody vine Gelsemium sempervirens — , from sempervirent-, sempervirens evergreen) + -ine

: a crystalline alkaloid C₁₉H₁₆N₂ obtained from the yellow jessamine shrub