I just saw the Melchizedek Bramble shader for the first time today and I was really curious about the reason behind the name. This morning's sermon was about the Melchizedekian priesthood and I just wondered if they were related? I've never heard of another Melchizedek, though I must say I'm not terribly well versed in literature. I don't want to start a whole thing about religion, I just want to know if there's a reference there.
I don't think most cosmetic item names have much meaning apart from being sort of filler text or having an almost literal description. Sometimes the naming is a little obscure, which usually just turns out to be another kind of description; Others are only words that really don't relate to the shader unless they are a reference I guess