SB 9.6.13

कृतान्त आसीत् समरो देवानां सह दानवैः ।
पार्ष्णिग्राहो वृतो वीरो देवैर्दैत्यपराजितैः ॥१३॥

kṛtānta āsīt samaro
devānāṁ saha dānavaiḥ
pārṣṇigrāho vṛto vīro
devair daitya-parājitaiḥ

kṛta-antaḥ - a devastating war; āsīt - there was; samaraḥ - a fight; devānām - of the demigods; saha - with; dānavaiḥ - the demons; pārṣṇigrāhaḥ - a very good assistant; vṛtaḥ - accepted; vīraḥ - a hero; devaiḥ - by the demigods; daitya - by the demons; parājitaiḥ - who had been conquered.

Text

Formerly, there was a devastating war between the demigods and the demons. The demigods, having been defeated, accepted Purañjaya as their assistant and then conquered the demons. Therefore this hero is known as Purañjaya, “he who conquered the residence of the demons.”

Purport

Srimad Bhagavatam. Canto 9: Liberation

Chapter 6: The Downfall of Saubhari Muni. Text 13

Formerly, there was a devastating war between the demigods and the demons. The demigods, having been defeated, accepted Purañjaya as their assistant and then conquered the demons. Therefore this hero is known as Purañjaya, “he who conquered the residence of the demons.”