Shiva Purana

siva.sh/siva-purana/saturda-samhita/10/35

रक्षिताः स्म तदा नाथ नीलकण्ठ इति श्रुतः ।। विषं पास्यसि नो चेत्त्वं भस्मीभूतास्तदाखिलाः ।। ३५ ।।

sanskrit

We were saved by you, O lord and you became famous as Nīlakaṇṭha (Blue-necked). If you had not drunk the poison then, every thing would have been reduced to ashes.

english translation

rakSitAH sma tadA nAtha nIlakaNTha iti zrutaH || viSaM pAsyasi no cettvaM bhasmIbhUtAstadAkhilAH || 35 ||

hk transliteration by Sanscript