Shiva Purana
स्वरक्षार्थेन्द्रदत्तेन तदस्त्रेण सुवर्चसा ॥ सुदर्शनेन तस्याश्च व्यधाद्रक्षां शिवाज्ञया ॥ ३७ ॥
By means of his missile—the brilliant Sudarśana, bestowed on him by Śiva for his protection, he saved her at the behest of Śiva.
english translation
svarakSArthendradattena tadastreNa suvarcasA ॥ sudarzanena tasyAzca vyadhAdrakSAM zivAjJayA ॥ 37 ॥
hk transliteration by Sanscript