IPA: /fruˈtɛəriən/
KK: /fruˈtɛrɪən/
A person who primarily eats fruits, seeds, and nuts, avoiding vegetables, grains, and animal products.
She decided to become a fruitarian to focus on a diet rich in fruits and nuts.
Fruitarian → It is formed from "fruit" (from Latin *fructus*, meaning produce or yield) and "-arian" (meaning one who practices or advocates). A fruitarian is someone who primarily consumes fruits as their diet.
Think of someone who follows a diet based on 'fruit' — that's why a fruitarian is someone who primarily eats fruits.