Perplexity
Could somebody explain me how the pronunciation of the easternmost country of the world named Nihon (Nippon) turned into Japan in English, and even Япония in Russian? How is it possible?

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Perplexity
Could somebody explain me how the pronunciation of the easternmost country of the world named Nihon (Nippon) turned into Japan in English, and even Япония in Russian? How is it possible?