Yoga Sūtra Chapter Three verse 29
नाभिचक्रे कायव्यूहज्ञानम् ॥२९॥
nābhi-cakre kāya-vyūha-jñānam ||29||
On the navel wheel, knowledge of the arrangement of the body.
nābhi - navelcakra - a circle; a mystical circle or diagram; a circle or depression of the body; a potter's wheel; a discus or sharp circular missile weaponkāya - the bodyvyūha - arrangement, placing apart, distribution; orderly arrangement of the parts of a whole;jñāna - knowing; knowledge; higher knowledge