Mahabharata 12.23.15

भूमिरेतौ निगिरति सर्पो बिलशयानिवराजानं चाविरोद्धारं ब्राह्मणं चाप्रवासिनम्

bhūmiretau nigirati sarpo bilaśayānivarājānaṃ cāviroddhāraṃ brāhmaṇaṃ cāpravāsinam

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