The story
- Italian · borrowed fromrepatriazione
- Medieval Latin · learned borrowing fromrepatriātiō“act of restoring someone to their homeland”
- English todayrepatriation
Either a learned borrowing from Medieval Latin repatriātiō (“act of restoring someone to their homeland”) or from Italian repatriazione and remodelled after words in -ation. By surface analysis, repatriate + -ion.
Etymology from Wiktionary, CC BY-SA 4.0.