It's actually a non-scientific and generic term created by......wait for it.....A white dude to separate he and others he deemed worthy from people he found inferior. It has a specific meaning, but we clearly aren't talking about that here.
I'll leave you alone now.......I always eventually get tired of trolling you and I'm at that point right now. Not sure what I'm going to do other than that but you're free.......Fly my little dove, fly to peace