Mahabharata 12.169.6

पितोवाचवेदानधीत्य ब्रह्मचर्येण पुत्र; पुत्रानिच्छेत्पावनार्थं पितॄणाम्अग्नीनाधाय विधिवच्चेष्टयज्ञो; वनं प्रविश्याथ मुनिर्बुभूषेत्

pitovācavedānadhītya brahmacaryeṇa putra; putrānicchetpāvanārthaṃ pitṝṇāmagnīnādhāya vidhivacceṣṭayajño; vanaṃ praviśyātha munirbubhūṣet

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