Yoga Sūtra Chapter Three Title

विभूतिपादः

vibhūti-pādaḥ

The section on Special Manifestation.

vibhūti - special manifestationpāda - section; a quarter, a fourth part; foot, leg

Commentaries and Reflections

T Krishnamacharya:

“The practice which is Śodhana for the Antar Aṅga
is Antaraṅga Sādhana.”
– T Krishnamacharya introduction to Yoga Sūtra Chapter Three