IPA: /ˈkɒpiˌraɪtə/
KK: /ˈkɑːpiˌraɪtər/
A person who creates written content for advertisements and marketing materials.
The copywriter crafted a catchy slogan for the new product launch.
Copywriter → It is formed from "copy" (from Latin *copia*, meaning abundance or plenty) and "writer" (from Old English *writan*, meaning to write). The word "copywriter" refers to a person who writes text (copy) for advertising or marketing purposes, creating an abundance of persuasive content.
Think of someone who creates an 'abundance' ('copia') of written content ('writer') to persuade or inform — that's what a copywriter does.