What is you understand what I in French?

It's a bit tricky to understand what you mean by "what I in French." Could you please rephrase your question?

For example, are you asking:

* "How do you say 'what I' in French?" In this case, the answer is "ce que".

* "What does 'I' mean in French?" In this case, the answer is "je", which is the subject pronoun for "I" in French.

Please give me more context so I can help you accurately! 😊