itinerant

In Latin, iter means "way" or "journey." That root was the parent of the Late Latin verb itinerari, meaning "to journey." It was that verb which ultimately gave rise to the English word for traveling types: itinerant. The linguistic grandparent, iter, also contributed to the development of other English words, including itinerary ("the route of a journey" and "the plan made for a journey") and errant ("traveling or given to traveling," as in knight-errant).