IPA: /ˈbaɪər/
KK: /ˈbaɪər/
A person who purchases goods or services.
The buyer decided to purchase the new smartphone after comparing prices.
Buyer → It is formed from "buy" (from Old English *bycgan*, meaning to purchase) and "-er" (meaning a person who). A buyer is a person who purchases something.
Think of someone who 'purchases' ('buy') something — the '-er' just means a person. A buyer is someone who buys.