Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/7/11

अथ मूढः स दैत्येन्द्रः तया तन्व्या तिरस्कृतः ।। चुक्रोध विकटं तस्यै पश्चाद्रूपमदर्शयत् ।। ११।।

sanskrit

That leading Daitya, Mūḍha, when slighted by that lady, became angry and showed his hideous form.

english translation

atha mUDhaH sa daityendraH tayA tanvyA tiraskRtaH || cukrodha vikaTaM tasyai pazcAdrUpamadarzayat || 11||

hk transliteration by Sanscript