What is Edictum Perpetuum?

Legal Definition
The perpetual edict A compilation or system of law in fifty books, digested by Julian, a lawyer of great eminence under the reign of Adrian, from the praetor's edicts and other parts of the Jus Honorarium. A11 the remains of it which have come down to us are the extracte of it in the Digests. Butl. Hor. Jur. 52.
-- Black's Law Dictionary