Essonium
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Exonium, Exonia, Sonium. L. Lat. In old English law and practice. An essoin; an excuse for not appearing in court.
Spelman.
Bract, lib.
5, tract. 2, De Essoniis. 2 Inst. 125.
See Essoin. An excuse or reason, in general.
Spelman.