Verse 19

यतः कुतश्चिदेवेदं संपन्नमिव लक्ष्यते ।अरुणातीरवद्वारिपूरावर्तवदाततम्

In plain words

From somewhere or other this is seen as though it had come to be — spread out like the bank of the Aruṇā, like a whirlpool in a flood of water.