Mahabharata 12.56.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

प्रणिपत्य हृषीकेशमभिवाद्य पितामहम्अनुमान्य गुरून्सर्वान्पर्यपृच्छद्युधिष्ठिरः

praṇipatya hṛṣīkeśamabhivādya pitāmahamanumānya gurūnsarvānparyapṛcchadyudhiṣṭhiraḥ

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