Black's Law Dictionary (2nd edition)dictionaries

Eundo, Morando, Et Redeundo

Lat Going, remaining, and returning. A person who is privileged from arrest (as a witness, legislator, etc.) is generally so privi-leged eundo, morando, et redeundo; that is, on his way to the place where his duties are to be performed, while he remains there, and on his return journey.

Source: Black’s Law Dictionary 2nd Ed (1910)