Its cause was the discontent of the older Median population under the rule of the more barbarous Umman-manda.
"The Makers and Teachers of Judaism"
Charles Foster Kent
Nay more; tablets have recently been found which show that the name of the Elamite monarch was Kudur-Laghghamar, and that among his vassal allies was Tudkhula or Tidal, who seems to have been king of the manda, or "nations" of Kurdistan.
"Early Israel and the Surrounding Nations"
Archibald Sayce
And in America, manda was quick to see its value as the parent of a new race, by crossing it with tea roses.
"Roses and Rose Growing"
Rose Georgina Kingsley