Do you mean Pandæmonium?
Pandæmonium, from the Greek pan – “all” + Late Latin dæmonium (“‘evil spirit, demon’”) from the Greek (daimonion) “lesser divine power,” from (daimon) “lesser god”
pandemonium (uncountable)
1. Chaos; tumultuous or lawless violence.
2. An outburst; loud, riotous uproar, especially of a crowd.