The word for today is…
xenophobia (noun) – Fear, hatred, or mistrust of that which is foreign, especially strangers or people from different countries or cultures.
Source : The Free Dictionary
Etymology : If you look back to the ancient Greek terms that underlie the word xenophobia, you’ll discover that xenophobic individuals are literally “stranger fearing.” Xenophobia, that elegant-sounding name for an aversion to persons unfamiliar, ultimately derives from two Greek terms: xenos, which can be translated as either “stranger” or “guest,” and phobos, which means either “fear” or “flight.” Phobos is the ultimate source of all English -phobia terms, but many of those were actually coined in English or New Latin using the combining form -phobia. Xenophobia itself came to us by way of New Latin and first appeared in print in English in the late 19th century.
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