Mahabharata 12.126.4

तस्मिन्सरसि कृत्वाहं विधिवत्तर्पणं पुरापितॄणां देवतानां च ततोऽऽश्रममियां तदा

tasminsarasi kṛtvāhaṃ vidhivattarpaṇaṃ purāpitṝṇāṃ devatānāṃ ca tato''śramamiyāṃ tadā

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