What does "pepsin" mean?

A digestive enzyme that chemically digests, or breaks down, proteins into shorter chains of amino acids.

Pepsin

Common synonyms include: enzyme, ferment, gastric enzyme, gastric protease, in vitro pepsin, laboratory pepsin.

/ˈpɛpsɪn/ noun

noun ·Rare ·Advanced level

Noun

1
A digestive enzyme that chemically digests, or breaks down, proteins into shorter chains of amino acids. countable, uncountable
2
an enzyme produced in the stomach that splits proteins into peptones wordnet

From German Pepsin, corresponding to Ancient Greek πέψις (pépsis, “digestion”) + -in.