adenine (n.)youdaoicibaDictYouDict[adenine 词源字典]
crystaline base, 1885, coined by German physiologist/chemist Albrecht Kossel (1853-1927) from Greek aden "gland" (see inguinal) + chemical suffix -ine (2). So called because it was derived from the pancreas of an ox.[adenine etymology, adenine origin, 英语词源]