pluris petitio
/ˌplʊərɪs pɪˈtɪʃɪəʊ/Civil Law (chiefly Scottish )
noun
The action of seeking for more judicially than is actually due.
Origin
Mid 18th century; earliest use found in Information for Creditors upon Estate Dunphail. From classical Latin plūris, genitive of plūs more + petītiō petition.