predeparture

adj

1. (not-comparable)Occurring before or in preparation for one's departure.

   “The Philippines requires each outbound migrant to attend a predeparture seminar.”

noun

1. (rare)The time or preparations leading up to one's departure.

   “Once conditioned, the odor can be used during graduated departures and predepartures as an OSS.”

   “[…] the inherent difficulties of migratory processes, including traumatizing predepartures and journeys, the challenges of transculturation and family reorganization, and the coming to terms with new living conditions […]”