>>529831639
This is the one(1) misinterpreted article I referred to. You can find it copy and pasted onto multiple websites but you won't find the term being used anywhere else aside from people talking about Yugioh.
Calling her "Dea Apollousa" is just the author's prose. "Dea" is a prefix that denotes a goddess and "usa" is a suffix in Ancient Greek to make a name feminine. It's a metaphor that this one author is using to say that Artemis is essentially a female version of Apollo.