primeverin

\\ˌprīməˈvirə̇n, -ver-\ noun (-s)

Etymology: International Scientific Vocabulary primever- (from French primevère cowslip, from Old French primevoire, literally, spring, probably short for flour de primevoire spring flower, from flour flower + de of — from Latin, from — + primevoire — from Late Latin prima vera early spring — ) + -in — more at flower, de-, primavera

: a crystalline glycoside C₂₀H₂₈O₁₃ that is found in the cowslip (Primula veris) and that on hydrolysis yields primeverose and a derivative of salicylic acid