Nīlakaṇṭha-nāmotpatti-kathana
Origin of the Epithet “Nīlakaṇṭha”
एवं संस्तूयमानस्तु व्यक्तो भूत्वा महामतिः / देवदेवो जगद्योनिः सूर्य कोटिसमप्रभः
evaṃ saṃstūyamānastu vyakto bhūtvā mahāmatiḥ / devadevo jagadyoniḥ sūrya koṭisamaprabhaḥ
Thus, as he was hymned, the great-minded Deva of devas became manifest—the womb of the worlds, radiant as ten million suns.