Definition of mort d'ancestor in English:

mort d'ancestor

noun

Feudal Law
historical
  • An assize brought by the rightful heir against a person for wrongfully taking possession of his or her inheritance on the death of an ancestor.

Origin

Middle English; earliest use found in Statutes of the Realm. From Anglo-Norman mordauncestre from mort + d' + auncestre, after post-classical Latin mors antecessoris.

Pronunciation

mort d'ancestor

/mɔːˈdansɪstə//mɔːˈdansɛstə/