Mahabharata 13.110.29
दिवसे सप्तमे यस्तु प्राश्नीयादेकभोजनम्सदा द्वादशमासान्वै जुह्वानो जातवेदसम्
divase saptame yastu prāśnīyādekabhojanamsadā dvādaśamāsānvai juhvāno jātavedasam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book