IPA: /ˈpaɪpərin/
KK: /ˈpaɪpərin/
A white crystalline substance found in black pepper that is used for flavoring food and has some medicinal properties.
Piperine is responsible for the spicy flavor of black pepper.
Piperine is derived from "piper" (from Latin *piper*, meaning pepper) and the suffix "-ine" (used to form names of chemical substances). The word "piperine" refers to the chemical compound found in black pepper, which gives it its pungent flavor.
Think of 'piper' as relating to pepper, and remember that 'piperine' is the compound that gives black pepper its distinctive taste.