西せい夏かせいかMeanings1nounWestern Xia; Tangut Empirehistorical termHistorical term for the Tangut-led dynasty that ruled parts of northwestern China from 1038 to 1227. Also known as Mi-nyak.西せい夏かはモンゴル帝てい国こくによって滅ほろぼされた。The Western Xia was destroyed by the Mongol Empire.
