Mahabharata 3.170.45
गुह्यकानां च संग्रामे नैरृतानां तथैव चझषाणां गजवक्त्राणामुलूकानां तथैव च
guhyakānāṃ ca saṃgrāme nairṛtānāṃ tathaiva cajhaṣāṇāṃ gajavaktrāṇāmulūkānāṃ tathaiva ca
Our plain-language meaning of this verse is waiting for scholar review.