Mahabharata 12.202.15

ततो विष्णुर्महातेजा वाराहं रूपमाश्रितःअन्तर्भूमिं संप्रविश्य जगाम दितिजान्प्रति

tato viṣṇurmahātejā vārāhaṃ rūpamāśritaḥantarbhūmiṃ saṃpraviśya jagāma ditijānprati

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