If there was only your Eru and the Void, it seems the list of likely places for that...thing to originate is fairly narrow. [Wherever this other was from, their names were unwieldy and awkward, like some ancient tongue, and not good simple High Gothic. ]

[Suspicion is always good, in Gadriel's mind. To be suspicious is merely to ward oneself against the touch of the Archenemy.] These [He's going to try it and probably butcher it, but he's an Astartes so A for effort.] silmarills are holy relics? Have you retrieved them?