Misericordia
Misericordia , noun
[Latin, mercy, compassion; miser wretched + cor, cordis, heart.]
1.
(O. Law) An amercement. — Burrill
2.
(Anc. Armor.) A thin-bladed dagger; so called, in the Middle Ages, because used to give the death wound or “mercy” stroke to a fallen adversary.
3.
(Ecclesiastical) An indulgence as to food or dress granted to a member of a religious order. — Shipley