Heian-period boarding school for noble clan children
Historical term referring to private boarding schools established near the Daigaku-ryō (大学寮) in Heian-kyō (Kyoto) for the education of children from specific noble clans. Related to the concept of 七大私学 (seven great private schools).
Daigaku-bessō were educational facilities established by powerful clans for their children during the Heian period.
Kangaku-in is known as the Daigaku-bessō of the Fujiwara clan.
From 大学 (daigaku, 'university') + 別曹 (bessō, 'separate building/dormitory'). The term is specific to the Heian-period educational system.