Mahabharata 3.81.18

ततो मुञ्जवटं नाम महादेवस्य धीमतःतत्रोष्य रजनीमेकां गाणपत्यमवाप्नुयात्

tato muñjavaṭaṃ nāma mahādevasya dhīmataḥtatroṣya rajanīmekāṃ gāṇapatyamavāpnuyāt

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