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derdeba (usually uncountable, plural derdebas)

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  1. A complex liturgy of the Gnawas, recreating the first sacrifice and the genesis of the universe by the evocation of the seven main manifestations of the divine demiurgic activity.
    • 2007 January 15, Sia Michel, “Stomping With Sintirs as a Route to Trance”, in New York Times[1]:
      In derdeba ceremonies, gnawa music and dancing are often used to drive out evil spirits (when someone is sick or troubled) or to honor beneficial spirits (when someone is exceptionally well).