- pepsin (n.)
[pepsin 词源字典]
- 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).[pepsin etymology, pepsin origin, 英语词源]