Azathoth was a name used in H.P. Lovecraft novels (macabre...totally blows away Steven King). Azathoth was an entity (a living star?) located at the "center of the universe". One encounter with this being (thing?) would cause permanent madness.
I guess when you think about it, if mankind knew all the secrets of the universe, there would be no further quest for knowledge. We would have achieved the pinnacle of knowledge. (aka End of the road).Knwoing there was nothing left to learn. Everything from here on would be a repeat of what you already learned...
Quite maddening when you think about it.
...also...to be at the exact pinpoint center of the whole expanding universe. All 43 billion light years of (observable) universe. There you are at the epicenter of the big bang. There's no black hole, no quasar, no supernova remnant, just a small amorphous star...
Finally, this reference from Wikpedia on the name...
"Aside from the title of the novel fragment, The Dream-Quest was the first fiction by Lovecraft to mention Azathoth:
[O]utside the ordered universe [is] that amorphous blight of
nethermost confusion which blasphemes and bubbles at the center of all
infinity—the boundless daemon sultan Azathoth, whose name no lips dare
speak aloud, and who gnaws hungrily in inconceivable, unlighted
chambers beyond time and space amidst the muffled, maddening beating of
vile drums and the thin monotonous whine of accursed flutes.
[9]
Lovecraft referred to Azathoth again in "The Whisperer in Darkness" (1931), where the narrator relates that he "started with loathing when told of the monstrous nuclear chaos beyond angled space which the Necronomicon had mercifully cloaked under the name of Azathoth."[10] Here "nuclear" most likely refers to Azathoth's central location at the nucleus of the cosmos and not to nuclear energy, which did not truly come of age until after Lovecraft's death.[citation needed]
Back to your original question of "Why?". Mankind has gazed up at the heavens for thousands of years. I am answering this question with the mindset that I would be a human alive thousands of years ago in an ancient civilization (maybe Egypt, maybe Mesopotamia, maybe Babylon....whatever). Maybe I would be a neanderthal. I have no doubt that the most powerful thing ever gazed upon would have been the sun. The ancients had no idea what the sun was. If they were to name it, I think it would be of a demon god or something vengeful...something they would sacrafice tribe members to. Hence, a demon name such as this sounds somewhat appropriate.
Wouldn't you agree?