Why do we (Anglophones) use the native language name for some countries (Costa Rica, not Rich Coast), but not for others (Germany, not Deutschland)?

Question

Why do we (Anglophones) use the native language name for some countries (Costa Rica, not Rich Coast), but not for others (Germany, not Deutschland)?

In: 4271

Answer 1

TIL Costa Rica means “Rich Coast”. I mean I guess I’m dumb given the French (because I’m French) translation would be “Côte Riche” and it’s pretty close to Costa Rica when you think about it.