Mahabharata 3.289.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

सा तु कन्या महाराज ब्राह्मणं संशितव्रतम्तोषयामास शुद्धेन मनसा संशितव्रता

sā tu kanyā mahārāja brāhmaṇaṃ saṃśitavratamtoṣayāmāsa śuddhena manasā saṃśitavratā

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