पञ्चहस्तमाणिद्वारम् ॥ कZ_०२.३.२७ ॥
pañcahastamāṇidvāram
يُقاس الباب/البوابة (dvāra) بخمس هَسْتات (hastas).
To standardize construction for security, traffic control, and predictable defensive planning (weapon placement, chokepoint control).