itterasshai
Itterasshai is a common Japanese farewell phrase. It is typically said by the person remaining at home or at a location to the person who is leaving. The phrase literally translates to something akin to "go and come back" or "go and you'll be back." It conveys a sense of wishing the departing person a safe journey and an expectation of their return.
The phrase is a contraction of the more formal "itte irasshai" (行ってらっしゃい). "Itte" comes from the verb
Itterasshai is used in various everyday situations, such as when a family member leaves for work or