Mahabharata 13.126.7
वैशंपायन उवाच · vaiśaṃpāyana uvāca
तस्य तद्वचनं श्रुत्वा स्नेहादागतसंभ्रमःभीष्मो भागीरथीपुत्र इदं वचनमब्रवीत्
tasya tadvacanaṃ śrutvā snehādāgatasaṃbhramaḥbhīṣmo bhāgīrathīputra idaṃ vacanamabravīt
Our plain-language meaning of this verse is waiting for scholar review.