enteric (adj.)youdaoicibaDictYouDict[enteric 词源字典]
"pertaining to the intestines," 1822, from Latinized form of Greek enterikos "intestinal," first used in this sense by Aristotle, from entera (plural; singular enteron) "intestines," from PIE *enter-, comparative of *en "in" (see inter-).[enteric etymology, enteric origin, 英语词源]