Shiva Purana
पूर्वादिदिक्षु मध्ये च दीप्तां सूक्ष्मां जयामपि ॥ भद्रां विभूति विमलाममोघां वैद्युतामपि॥ १६॥
In the east and in the middle of the directions there is a subtle victory that shines. The auspicious, the splendid, the pure, the infallible, the lightning.
english translation
pUrvAdidikSu madhye ca dIptAM sUkSmAM jayAmapi ॥ bhadrAM vibhUti vimalAmamoghAM vaidyutAmapi॥ 16॥
hk transliteration by Sanscript