What does 行っていらっしゃい mean?
行っていらっしゃい is a Japanese adjective meaning “have a nice day, see you” in English. It is written as 行っていらっしゃい in kanji, いっていらっしゃい in hiragana, and itteirasshai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
この小包を郵便局へ持って行ってください。
Please take this parcel to the post office.