Mahabharata 11.13.8
उक्तास्यष्टादशाहानि पुत्रेण जयमिच्छताशिवमाशास्स्व मे मातर्युध्यमानस्य शत्रुभिः
uktāsyaṣṭādaśāhāni putreṇa jayamicchatāśivamāśāssva me mātaryudhyamānasya śatrubhiḥ
Our plain-language meaning of this verse is waiting for scholar review.