What does the prefix bon mean?

The prefix "bon" is not a common prefix in English. It's possible you're thinking of a different prefix or a word that includes the letters "bon" but isn't a prefix.

Could you please provide more context or the word you are referring to? For example:

* Are you thinking of a specific word? (e.g., "bonanza")

* Are you looking for a prefix in a different language? (e.g., "bon" in French)

Once I have more information, I can help you figure out what you're looking for.