wergild

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
WERGILD, or WEREGILD, old Eng. law. The price which in a barbarous age, a 
person guilty of homicide or other enormous offence was required to pay, 
instead of receiving other punishment. 4 Bl. Com. 188. See, for the 
etymology of this word, and a tariff which was paid for the murder of the 
different classes of men, Guizot, Essais sur l'Histoire de France, Essai 
4eme, c. 2, Sec. 2. 
    

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