Are You an Agnostic Atheist?

Agnostic system comes from the Greek word gnosis, which means it's knowledge. In Greek, if you put an A in front of a word, it means not. So gnosis is a knowledge and agnostic as someone says they don't know. And so I think they're two different things, but you can be in both at once. Theism is a form of belief; do you believe there's a superior being in the universe? No, I don't believe so. Do you know if so? No,I don't know or believe. But so I'm an atheist in what I believe or don't believe. I'm an agnostic about what I don