Shiva Purana
गते तस्मिंश्च वरदे सहस्राक्षे शिलाशनः ॥ आराधयन्महादेवं तपसातोषयद्भवम्॥ १८॥
When the granter of boons, the thousand-eyed lord Indra had gone away, Śilāda propitiated lord Śiva. He delighted Śiva by means of his penance.
english translation
gate tasmiMzca varade sahasrAkSe zilAzanaH ॥ ArAdhayanmahAdevaM tapasAtoSayadbhavam॥ 18॥
hk transliteration by Sanscript