Mahabharata 13.27.17

कथान्ते शिरसा पादौ स्पृष्ट्वा भीष्मस्य पाण्डवःधर्म्यं धर्मसुतः प्रश्नं पर्यपृच्छद्युधिष्ठिरः

kathānte śirasā pādau spṛṣṭvā bhīṣmasya pāṇḍavaḥdharmyaṃ dharmasutaḥ praśnaṃ paryapṛcchadyudhiṣṭhiraḥ

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