Black's Law Dictionary (2nd edition)dictionaries

Eriagh

A term of the Irish Brehon law, denoting a pecuniary mulct or recompense which a murderer was judicially con-demned to pay to the family or relatives of his victim, it corresponded to the Saxon “weregild.” See 4 Bl. Comm. 313

Source: Black’s Law Dictionary 2nd Ed (1910)