remanent pro defectu emptorum

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
REMANENT PRO DEFECTU EMPTORUM, practice. The return made by the sheriff to a 
writ of execution when he has not been able to sell the property seized, 
that the same remains unsold for want of buyers: in that case the plaintiff 
is entitled to a venditioni exponas. Com. Dig. Execution, C. 8. 
    

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