Ruthenia
/ruːˈθiːnɪə/- a region of central Europe on the southern slopes of the Carpathian Mountains, now forming the Transcarpathian region of western Ukraine鲁塞尼亚（中欧一地区, 位于喀尔巴阡山脉南麓, 现构成乌克兰西部的外喀尔巴阡地区）。
派生词
Ruthenian
adjective & noun词源
named after the Ruthenes （from medieval Latin Rutheni）, a Slavic people, ancestors of the Ukrainians.