Shiva Purana
ततः प्रादुरभूत्तत्र सा तस्य प्रीतये पुनः ॥ कुशावर्तं च विख्यातं तीर्थमासीत्तदुत्तमम् ॥ २०॥
The sacred river flowed thence for the pleasure of the sage. Kuśāvarta became a famous and excellent place of pilgrimage.
english translation
tataH prAdurabhUttatra sA tasya prItaye punaH ॥ kuzAvartaM ca vikhyAtaM tIrthamAsIttaduttamam ॥ 20॥
hk transliteration by Sanscript