Shiva Purana
स किरातेश्वरः श्रुत्वा तद्वचो हर्षमागतः॥ आजगाम स्वसैन्येन शंकरो भिल्लरूपधृक् ॥ ३७ ॥
On hearing his words, lord Kirāta was much delighted. It was Śiva dressed as a Bhilla who had come there with his army.
english translation
sa kirAtezvaraH zrutvA tadvaco harSamAgataH॥ AjagAma svasainyena zaMkaro bhillarUpadhRk ॥ 37 ॥
hk transliteration by Sanscript