The potter was a pot-maker. I wonder if you are learning any languages like Latin or Greek. Some muggles think there is not much use for such languages. As part of my magical studies I am currently learning Sanskrit. This is a language even more ancient than Latin and Greek.
Many European words come from Sanskrit.
This shows you the actual Sanskrit symbol. It looks a bit like a magic charm doesn't it. The word potential comes from this source. It means having power over all things, and it comes from my name. Hermione Hermione has a magical name too.