Webster's Revised Unabridged Dictionary · 1913

Transmigrate

Transmigrate , intransitive verb

[Latin transmigrare, transmigratum; trans across + migrare to migrate. See Migrate.]

1.
To pass from one country or jurisdiction to another for the purpose of residence, as men or families; to migrate.
2.
To pass from one body or condition into another.
Their may transmigrate into each other. — Howell