Shiva Purana

siva.sh/siva-purana/rudra-samhita/165/13

तपः प्रकुर्वतस्तस्य मूर्ध्नो निस्सृत्य प्रज्व लत् ।। विससार च सर्वत्र तत्तेजो हि सुदुस्सहम् ।। १३ ।।

sanskrit

While be was performing the penance, an unbearable refulgence sprang up blazing from his head and spread everywhere.

english translation

tapaH prakurvatastasya mUrdhno nissRtya prajva lat || visasAra ca sarvatra tattejo hi sudussaham || 13 ||

hk transliteration by Sanscript