dyspepsia (n.)youdaoicibaDictYouDict[dyspepsia 词源字典]
1706, from Late Latin dyspepsia or a back-formation from dyspeptic (q.v.). Its opposite is eupepsia.[dyspepsia etymology, dyspepsia origin, 英语词源]
Pepsi-ColayoudaoicibaDictYouDict
U.S. patent filed Sept. 23, 1902, by Caleb D. Bradham (1867-1934), pharmacist and drugstore owner of New Bern, N.C., probably from pepsin; early Pepsi ads tout it as a digestive aid.
pepsin (n.)youdaoicibaDictYouDict
also pepsine, fermin in gastric juice, used medicinally for cases of indigestion, 1844, coined in German (Theodor Schwann, 1835) from Greek pepsis "digestion," from stem pep- (see peptic) + -in (2).
eupepsiayoudaoicibaDictYouDict
"Good digestion; absence of indigestion", Early 18th century: from Greek eupepsia, from eupeptos (see eupeptic).