vad-, vas-

These words were said to have been spoken by Christ when He met the discouraged Apostle Peter as he was leaving Rome.

Another Roman way of saying, "goodbye".

A guide and constant companion. Today it designates a special kind of reference work, a handbook, or manual, something ready and close at hand, like a guidebook. It usually contains information that is frequently consulted and could also refer to a pocket calculator, a portable dictating machine, or even a personal computer.