Mahabharata 3.259.16

अतिष्ठदेकपादेन सहस्रं परिवत्सरान्वायुभक्षो दशग्रीवः पञ्चाग्निः सुसमाहितः

atiṣṭhadekapādena sahasraṃ parivatsarānvāyubhakṣo daśagrīvaḥ pañcāgniḥ susamāhitaḥ

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