Answer:
Plagiarism applies when ideas are copied; <u>copyright violation</u> occurs only when a specific fixed expression (e.g., sequence of words, use of an image) is copied. Avoiding plagiarism is about properly apportioning intellectual credit; copyright is about maintaining revenue streams.
You could say "el dorado," which could be translated as "the golden." Technically, "dorado" refers to the color of gold, so it could also mean "the gilded" or "the gold-colored," but I think it's the phrase you're looking for.
It is very unique and mayan