What is Actio De Dolo Malo?

Legal Definition
An action of fraud ; an action which lay for a defrauded person against the defrauder and his heirs, who had been enriched by the fraud, to obtain the restitution of the thing of which he had been fraudulently deprived, with all its accessions (cum omut causa;) or, where this was not practicable, for compensation in damages. Mackeld. Rom. .Law, ยง 227.
-- Black's Law Dictionary