em·i·grate 
(ĕmĭ-grāt′)
(ĕmĭ-grāt′)intr.v. em·i·grat·ed, em·i·grat·ing, em·i·grates
To leave one country or region to settle in another. See Usage Note at migrate.
[Latin ēmigrāre, ēmigrāt- : ē-, ex-, ex- + migrāre, to move; see mei-1 in the Appendix of Indo-European roots.]
em′i·gration (ĕm′ĭ-grāshən) n.