Bhagavad Gītā Chapter Eight Title

akṣara brahma yogaḥ

The Yoga of the Imperishable Absolute.

akṣara - imperishablebrahman - that which expands; the absolute, the eternalyoga - the act of yoking

Commentaries and Reflections

Paul Harvey:

The Yoga of the quality of the Absolute.
The things to be realised.