If you're looking for the meaning of a specific name, it's best to check online resources like:
* Nameberry: This website offers a vast database of names with origins and meanings.
* Behind the Name: This website provides detailed information on name origins, meanings, and popularity.
It's also possible that "Tyasia" is a misspelling of another name. If you can provide more context, I might be able to help you figure out what it might refer to.