term:

Jurisprudence Constante

jurisprudence constante n

[French, uniform jurisprudence]
: a doctrine in the civil law of Louisiana: a long series of previous decisions applying a particular rule of law carries great weight and may be determinative in subsequent cases
;also
: the rule of law applied in the jurisprudence constante compare stare decisis

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.