Shiva Purana

siva.sh/siva-purana/uma-samhita/49/8

तत आविरभूत्तेजः कूटरूपन्तदैव हि ।। अदृष्टपूर्वं तद्दृष्ट्वा विस्मिता अभवन्सुराः ।। ८।।

sanskrit

Then a mass of splendour appeared, at the unprecedented sight of which the gods were surprised.

english translation

tata AvirabhUttejaH kUTarUpantadaiva hi || adRSTapUrvaM taddRSTvA vismitA abhavansurAH || 8||

hk transliteration by Sanscript