IPA: /ˈfruːtərər/
KK: /ˈfruːtərər/
A person who sells or trades in fruit.
The fruiterer at the market always has the freshest apples and oranges.
Fruiteter is formed from "fruit" (from Old French *fruit*, meaning produce or edible product of plants) and "-er" (meaning a person who). A fruiterer is a person who sells or deals in fruits.
Think of someone who deals in 'produce' ('fruit') — the '-er' just means a person. A fruiterer is someone who sells fruits.