Ok, how about Reliquary.
It's defined as a 'container for relics', which is kept in, wait for it.. Temples!
So could be a natural evolution for the Temple of Jawnz, whilst still retaining some it's origins.
I haven't really been following the suggestion discussion, so I just took the letters T, O, and J and tried to figure out cool combinations of other words that start with those letters. tenacious or june ten other jax time of jaunt torch over jab true just obscene trace on jagged tin oracle jump etc (have a word document with a bunch of words, just a matter of combining them) now I see drew liked desigual? wtf? lol