Mahabharata 12.269.13

शून्यागारं वृक्षमूलमरण्यमथ वा गुहाम्अज्ञातचर्यां गत्वान्यां ततोऽन्यत्रैव संविशेत्

śūnyāgāraṃ vṛkṣamūlamaraṇyamatha vā guhāmajñātacaryāṃ gatvānyāṃ tato'nyatraiva saṃviśet

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