expatriate (v.) Look up expatriate at Dictionary.com
1768, from Fr. expatrier "banish," from ex- "out of" + patrie "native land," from L. patria "one's native country," from pater (gen. patris) "father." Related: Expatriated; expatriating; expatriation. The noun is from 1818, "one who has been banished;" main modern sense of "one who chooses to live abroad" is 1902.