Meaning

adjective of concern to or concerning the affairs of other nations (other than your own)

adjective relating to or originating in or characteristic of another place or part of the world

adjective not contained in or deriving from the essential nature of something

originFrom Middle English foreyn, forein, from Old French forain, from Vulgar Latin *forānus (“outsider, outlander”), from Latin forās (“outside, outdoors”) or forīs (“outside, outdoors”). Displaced native Old English elþēodiġ (“foreign”) and now-dialectal English fremd, from Old English fremde (“strange, foreign”). The silent -g- added perhaps by analogy with reign (compare also sovereign which was…

Etymology from Wiktionary, CC BY-SA 3.0