1667, Pandæmonium, in "Paradise Lost" the name of the palace built in the middle of Hell, "the high capital of Satan and all his peers," coined by John Milton (1608-74) from Gk. pan- "all" + L.L. dæmonium "evil spirit," from Gk. daimonion "inferior divine power," from daimon "lesser god" (see demon). Transferred sense "place of uproar" is from 1779; that of "wild, lawless confusion" is from 1865.