नमः पुरस्तादथ पृष्ठतस्ते नमोऽस्तु ते सर्वत एव सर्व।अनन्तवीर्यामितविक्रमस्त्वं सर्वं समाप्नोषि ततोऽसि सर्वः॥
namaḥ purastād atha pṛṣṭhatas tenamo ’stu te sarvata eva sarvaananta-vīryāmita-vikramas tvaṃsarvaṃ samāpnoṣi tato ’si sarvaḥ
Word by word
The verse says
Honour to you from in front and from behind, honour to you from every side — you who are everything. Your power is endless, your reach beyond measure. You pervade it all, and so you are all of it.
In plain words
He bows in front, behind, and then gives up and bows in every direction.
This is the practical consequence of the faces in all directions from verse eleven.
There is no direction that is not toward him, so there is no way to face him in particular.
Where you've felt this · in health
You try to thank everybody who helped when you moved house and the list has no edge to it. The neighbour who took the van back. Whoever fed the cat. The man at the shop who kept the boxes. You end up thanking a room, because going one at a time would never finish.
Going deeper
Running out of directions to bow in is a physical problem with a theological cause.
A gesture of respect normally requires a target. You face somebody. That presumes they are somewhere, which presumes there is also somewhere they are not. Arjuna's solution is to bow in every direction and say so, which is the only accurate response available to him.
The verse ends by stating the reason outright: you pervade everything, and so you are everything.
This is also the point at which the chapter's terror starts to resolve into something else. The same fact that made the vision unbearable — nowhere that is not this — is here producing reverence rather than panic. Nothing has changed about the situation. What has changed is that he has stopped trying to find a position outside it.