For starters, I didn't choose the name, but rather those who trained it. Second, what's the point of training lang-specific LLMs and giving it a name using a word nobody uses in practice?

Unless you want to make it sound more human; a pretentious know-it-all human that is.

We Greeks contain multitudes.

I haven't even heard Ετησίαι and I come from a town that has often Μελτέμια in August

When was the last time you heard someone referring to Meltemi as Etesion?