Mahabharata 13.65.29

तथा गवार्थे शरणं शीतवर्षसहं महत्आसप्तमं तारयति कुलं भरतसत्तम

tathā gavārthe śaraṇaṃ śītavarṣasahaṃ mahatāsaptamaṃ tārayati kulaṃ bharatasattama

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