What does the Attean word Piz what mean?

There is no language or word known as "Attean" or "Piz what." It is possible that you have misspelled the word or are referring to a fictional language or term.

Could you please provide more context or clarify the word you are looking for? For example:

* Is this a specific language or dialect?

* What is the context of the word?

* Is there a specific text or source where you encountered this word?

With more information, I can help you find the meaning of the word you are looking for.