Mahabharata 1.36.4

क्षपयामास तीव्रेण तपसेत्यत उच्यतेजरत्कारुरिति ब्रह्मन्वासुकेर्भगिनी तथा

kṣapayāmāsa tīvreṇa tapasetyata ucyatejaratkāruriti brahmanvāsukerbhaginī tathā

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