発
はつ · hatsu · JLPT N2 · noun
gram
✈️🚆 発車 (hassha) = depart + vehicle, the word for a train leaving a station
発 is simplified from 發, whose parts are 癶 (feet stepping apart) and 殳 (a hand holding a tool), an old sense of setting out. 出発 (shuppatsu) adds 出 (out) for a general departure.