noun
patriarchal system
Refers to a social or family system in which the male head of the household holds authority. Often used in historical or sociological contexts.
日本の伝統的な家族は家長制度に基づいていた。
Traditional Japanese families were based on the patriarchal system.
Compound of 家長 (かちょう, 'head of household') and 制度 (せいど, 'system').