The term 'CAUTION BUYER' can be broken down into two crossword solutions: 'EMPTOR' (6 letters) and 'USER' (4 letters). 'EMPTOR' is a Latin word meaning 'BUYER' or 'PURCHASER'. It is often used in legal contexts to refer to someone who buys goods or services. 'USER' is a noun that refers to someone who uses something, such as a product or service. Together, these two words form the phrase 'CAUTION BUYER', which is a warning to buyers to be careful when making purchases.