Diffidare
Defined in 2 dictionaries — Cyclopedic (1922), Burrill (1850)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
To proclaim hostilities; to declare war; to defy;, to outlaw. In feudal law to renounce fealty or allegiance; the opposite of affidare (q. v.)
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
Diffiduciare. L. Lat. [from dis, priv., and fides, fealty or faith.] In feudal law. To renounce one's fealty or allegiance; the opposite of affidare, (q. v.) Spelman. To proclaim hostilities; to declare war, (faida); to defy. Id. Calvin de Feud.