pat·ri·mo·ni·al \|pa.trə|mōnēəl, -nyəl\adjective Etymology: Middle French, from Late Latin patrimonialis, from Latin patrimonium patrimony + -alis -al : of, relating to, or constituting a patrimony : inherited from ancestors : hereditary < a patrimonial estate > • pat·ri·mo·ni·al·ly\-əlē, -li\adverb