antibody (n.)youdaoicibaDictYouDict[antibody 词源字典]
"substance developed in blood as an antitoxin," 1901, a hybrid formed from anti- "against" + body. Probably a translation of German Antikörper, condensed from a phrase such as anti-toxischer Körper "anti-toxic body" (1891).[antibody etymology, antibody origin, 英语词源]