From Wiktionary, the free dictionary
たびだち • (tabidachi)
- 旅立ち: departure on a trip/journey, setting off, embarking
たびだちする • (tabidachi suru) suru (stem たびだちし (tabidachi shi), past たびだちした (tabidachi shita))
- 旅立ち: to depart on a trip/journey, to set off, to embark