salicinyoudaoicibaDictYouDict[salicin 词源字典]
"A bitter compound present in willow bark. It is a glucoside related to aspirin, and accounts for the ancient use of willow bark as a pain-relieving drug", Mid 19th century: from French salicine, from Latin salix, salic- 'willow'.[salicin etymology, salicin origin, 英语词源]