Nīlakaṇṭha-nāmotpatti-kathana
Origin of the Epithet “Nīlakaṇṭha”
पश्चिमेन तु वक्त्रेण वरुणस्थो न संशयः / उत्तरेण तु वक्त्रेण सोमस्त्वं देवसत्तमः
paścimena tu vaktreṇa varuṇastho na saṃśayaḥ / uttareṇa tu vaktreṇa somastvaṃ devasattamaḥ
With Your western face You abide in Varuṇa’s station, without doubt; with Your northern face, O best of gods, You are Soma.