Mahabharata 1.160.7

विवस्वतो वै कौन्तेय सावित्र्यवरजा विभोविश्रुता त्रिषु लोकेषु तपती तपसा युता

vivasvato vai kaunteya sāvitryavarajā vibhoviśrutā triṣu lokeṣu tapatī tapasā yutā

Our plain-language meaning of this verse is waiting for scholar review.