Mahabharata 12.258.58

गौतमस्तु सुतं दृष्ट्वा शिरसा पतितं भुविपत्नीं चैव निराकारां परामभ्यगमन्मुदम्

gautamastu sutaṃ dṛṣṭvā śirasā patitaṃ bhuvipatnīṃ caiva nirākārāṃ parāmabhyagamanmudam

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