epigastrium (n.)youdaoicibaDictYouDict[epigastrium 词源字典]
1680s, Modern Latin, from Greek epigastrion "region of the abdomen from the breasts to the navel," neuter of epigastrios "over the belly," from epi "on, above" (see epi-) + gaster "stomach" (see gastric). The region below the navel is the hypogastrium.[epigastrium etymology, epigastrium origin, 英语词源]