shūjīng
the Book of History, one of the Five Classics of Confucianism 五經|五经[Wǔjīng], a compendium of documents which make up the oldest extant texts of Chinese history, from legendary times down to the time of Confucius, also known as 尚書經|尚书经[Shàngshūjīng], 尚書|尚书[Shàngshū], 書|书[Shū]
HSK level 2
50430th most common word in books