Mahabharata 12.313.2

आसनं च पुरस्कृत्य रत्नानि विविधानि चशिरसा चार्घ्यमादाय गुरुपुत्रं समभ्यगात्

āsanaṃ ca puraskṛtya ratnāni vividhāni caśirasā cārghyamādāya guruputraṃ samabhyagāt

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