Mantra 15

अथ श्रोत्रमत्यवहत् ।तद्यदा मृत्युमत्यमुच्यत ता दिशोऽभवन् ।ता इमा दिशः परेण मृत्युमतिक्रान्ताः ॥बृह. १,३.१५ ॥

In plain words

Then it carried the ear across. When the ear was freed from death, it became the quarters. These quarters have passed beyond death.

The commentators

Bṛhadāraṇyakopaniṣadbhāṣyam· bhāṣya

तथा श्रोत्रं दिशोऽभवन् ; दिशः प्राच्यादिविभागेनाव- स्थिताः ॥

In plain words

Thus the ear became the quarters of space, and those directions remain established through divisions like the eastern.

Close to the Sanskrit

Thus the ear became the directions; the directions are situated by the division beginning with the eastern.