gastro-youdaoicibaDictYouDict[gastro- 词源字典]
also gastero-, scientific word-forming element meaning "stomach," before vowels gastr-, from Greek gastro-, comb. form of gaster (genitive gastros) "belly, paunch; womb" (see gastric). Also used in compounds in ancient Greek, as gastrobarys "heavy with child."[gastro- etymology, gastro- origin, 英语词源]