Pandæmonium (Paradise Lost)

Pandæmonium (or Pandemonium in some English orthographies) is the capital of Hell in John Milton's epic poem Paradise Lost. The name stems from the Greek πᾶν, meaning 'all' or 'every,' and δαιμόνιον, a diminutive form meaning 'little spirit,' 'little angel,' or, as Christians interpreted it, 'little daemon', and later, 'demon.' Pandæmonium thus roughly translates as "All Demons" –but can also be interpreted as Pandemoneion (Πανδαιμονεῖον), or 'all-demon-place'–.

Source: Wikipedia — Pandæmonium (Paradise Lost) (CC BY-SA 4.0)