Mahabharata 5.39.56

अष्टौ तान्यव्रतघ्नानि आपो मूलं फलं पयःहविर्ब्राह्मणकाम्या च गुरोर्वचनमौषधम्

aṣṭau tānyavrataghnāni āpo mūlaṃ phalaṃ payaḥhavirbrāhmaṇakāmyā ca gurorvacanamauṣadham

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