9a8ae1d5_fusion_of_Patrism_in_Saharasia__Patrism__armored_
[Matrism (not armored)] Mixed sex children's houses [Patrism (armored)] 
Sex-segregated houses or military, or age villages
James DeMeo, Origin and Diffusion of Patrism in Saharasia
Patrism (armored)