Nīlakaṇṭha-nāmotpatti-kathana
Origin of the Epithet “Nīlakaṇṭha”
उदरस्थेषु भूतेषु त्वेको ऽहं शयित स्तदा / सहस्रशीर्षा भूत्वा च सहस्राक्षः सहस्रपात्
udarastheṣu bhūteṣu tveko 'haṃ śayita stadā / sahasraśīrṣā bhūtvā ca sahasrākṣaḥ sahasrapāt
Then, amid the beings held within, I alone lay in repose—becoming thousand-headed, thousand-eyed, and thousand-footed.