The correct spelling of the word is Jamiroquai. It is a British acid-jazz group.
Lead singer Jay Kay
has a fascination with indian tribes like the Iroquois and he wanted his group to Jam...hence the name Jamiroquai (He changed the spelling of the word Iroquois)
The word Iroquois
Iroquois is an easily recognized name, but like the names of many tribes, it was given them by their enemies. The Algonquin called them the Iroqu (Irinakhoiw) "rattlesnakes." After the French added the Gallic suffix "-ois" to this insult, the name became Iroquois. The Iroquois call themselves Haudenosaunee meaning "people of the long house