प्राकारसमं मुखमवस्थाप्य त्रिभागगोधामुखं गोपुरं कारयेत् ॥ कZ_०२.३.३१ ॥
prākārasamaṃ mukhamavasthāpya tribhāgagodhāmukhaṃ gopuraṃ kārayet
門正面を城壁(prākāra)と同じ高さに据え(prākāra-sama)、そのうえで「オオトカゲ面」状の張り出し(godhāmukha)が三分の一(tribhāga)だけ突き出る門楼(gopura)を造るべきである。
A projection improves lateral coverage and flanking fire onto attackers at the gate, reducing blind spots.