lignocaineyoudaoicibaDictYouDict[lignocaine 词源字典]
"A synthetic compound used as a local anaesthetic, e.g. for dental surgery, and in treating abnormal heart rhythms", 1950s: from ligno- (Latin equivalent of xylo-, used in the earlier name xylocaine and reflecting chemical similarity to xylene) + -caine (from cocaine).[lignocaine etymology, lignocaine origin, 英语词源]