Mahabharata 3.82.44

ऋषिकुल्यां नरः स्नात्वा ऋषिलोकं प्रपद्यतेयदि तत्र वसेन्मासं शाकाहारो नराधिप

ṛṣikulyāṃ naraḥ snātvā ṛṣilokaṃ prapadyateyadi tatra vasenmāsaṃ śākāhāro narādhipa

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