Mahabharata 2.16.22

अथ काक्षीवतः पुत्रं गौतमस्य महात्मनःशुश्राव तपसि श्रान्तमुदारं चण्डकौशिकम्

atha kākṣīvataḥ putraṃ gautamasya mahātmanaḥśuśrāva tapasi śrāntamudāraṃ caṇḍakauśikam

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