IPA: /ˈfɪʃˌmʌŋɡə/
KK: /ˈfɪʃˌmʌŋɡər/
A person or shop that sells fish and seafood to customers.
I bought some fresh salmon from the fishmonger at the market.
Fishmonger → It is formed from "fish" (from Old English *fisc*, meaning a creature that lives in water) and "monger" (from Old English *mangere*, meaning a dealer or trader). A fishmonger is a dealer or trader in fish.
Think of a person who deals in 'fish' — that's what a fishmonger does.