What is Fieri Facias De Bonis Ecclesiasticis?

Legal Definition
When a sheriff to a common fi. fa. returns nulla bona, and that the defendant 4s a beneficed clerk, not having any lay fee, a plaintiff may issue a fi. fa. de bonis ecclesiasticis, addressed to the bishop of the diocese or to the archbishop, (during the vacancy of the bishop's see,) commanding him to make of the ecclesiastical goods and chattels belonging to the defendant within his diocese the sum therein mentioned. 2 Chit. Archb. Pr. (12th Ed.) 1062.
-- Black's Law Dictionary