11.23 Mahabaho, O mighty-armed One; drstva, seeing; te, Your; mahat, immence, very vast; upam, form of this kind; bahu-vaktra-netram, with many mouths and eyes; bahu-bahu-uru-padam, having many arms, thighs and feet; and further, bahu-udaram, with many bellies; and bahu-damstra-karalam, fearful with many teeth; lokah, the creatures in the world; are pravya-thitah, struck with terror; tatha, and so also; am even aham, I. 
The reason of that is this: