transmigration

noun3

1. •
   Departure from one's homeland to live in another country; migration.
2. •
   The movement of a soul from one body to another after death.

   • To the strength and fierceness of barbarians they [the Dacians] added a contempt for life, which was derived from a warm persuasion of the immortality and transmigration of the soul. — 1776
3. •
   A change from one state of existence to another.

   • Any great change is like cold water in winter—one shrinks from the first plunge; and a lover may be excused who shivers a little at the transmigration into a husband. — 1831