patriarchy
A social system in which men hold primary power and predominate in roles of political leadership, moral authority, social privilege, and control of property.
Patriarchy has a long history in many societies.
She criticized the structures of patriarchy.
母権制 is the antonym, meaning 'matriarchy', a system where women hold primary power.
Compound of 父 (father), 権 (authority, power), and 制 (system). The term is a modern coinage used in sociology and gender studies.