expatriate (v.) Look up expatriate at Dictionary.com
1768, from French expatrier "banish" (14c.), from ex- "out of" (see ex-) + patrie "native land," from Latin patria "one's native country," from pater (genitive patris) "father" (see father (n.); also compare patriot). Related: Expatriated; expatriating. The noun is from 1818, "one who has been banished;" main modern sense of "one who chooses to live abroad" is 1902.