पञ्चहस्तमाणिद्वारम् ॥ कZ_०२.३.२७ ॥
pañcahastamāṇidvāram
La porte (dvāra) doit être mesurée à cinq hastas (hastas).
To standardize construction for security, traffic control, and predictable defensive planning (weapon placement, chokepoint control).