Mahabharata 13.44.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

यन्मूलं सर्वधर्माणां प्रजनस्य गृहस्य चपितृदेवातिथीनां च तन्मे ब्रूहि पितामह

yanmūlaṃ sarvadharmāṇāṃ prajanasya gṛhasya capitṛdevātithīnāṃ ca tanme brūhi pitāmaha

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