Mahabharata 13.110.99

पञ्चविंशे तु दिवसे यः प्राशेदेकभोजनम्सदा द्वादश मासांस्तु पुष्कलं यानमारुहेत्

pañcaviṃśe tu divase yaḥ prāśedekabhojanamsadā dvādaśa māsāṃstu puṣkalaṃ yānamāruhet

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