decaffeinate (v.)youdaoicibaDictYouDict[decaffeinate 词源字典]
1909 (implied in decaffeinated), from de- + caffeine + -ate (2).[decaffeinate etymology, decaffeinate origin, 英语词源]
Sanka (n.)youdaoicibaDictYouDict
brand of decaffeinated coffee, by 1913, abstracted from French sans caffeine (see sans + caffeine).