BROCARD
Etymology
Noun
brocard (plural brocards)
(legal) A legal principle usually expressed in Latin, traditionally used to concisely express a wider legal concept or rule.
Source: Wiktionary
Broc"ard, n. Etym: [Perh. fr. Brocardica, Brocardicorum opus, a
collection of ecclesiastical canons by Burkhard, Bishop of Worms,
called, by the Italians and French, Brocard.]
Definition: An elementary principle or maximum; a short, proverbial rule,
in law, ethics, or metaphysics.
The legal brocard, "Falsus in uno, falsus in omnibus," is a rule not
more applicable to other witness than to consciousness. Sir W.
Hamilton.
Source: Webster’s Unabridged Dictionary 1913 Edition