To send someone away from their native country, or a person who lives outside their native country (either by choice or force).
From Medieval Latin 'expatriatus', composed of 'ex-' (out) and 'patria' (fatherland, from 'pater', father). The word literally means 'banished from one's fatherland.'
Though expatriate and expatiate look similar and share the 'ex-' prefix, they come from completely different Latin roots. Expatriate relates to 'patria' (country/father), while expatiate relates to 'spatium' (space/wandering)—a reminder that similar-looking words can have totally different origins and meanings.
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