* A misspelling: Perhaps you meant a different word, like "kim" or "khimchi"?
* A specific term: It might be a term used in a particular field or profession, like a scientific term or a slang term within a specific community.
* A made-up word: It could be a fictional word or a term used in a specific context, like a game or a book.
Please provide more context or information about where you encountered the word "khim." This will help me understand the meaning you are looking for.