Zi Collection, Middle Volume
Radical: Person (rén)
億
Kangxi Stroke Count: 15
Page 118, Entry 27
Guangyun (Dictionary of Rhymes): Pronounced yì. Jiyun (Collected Rhymes) and Yunhui (Collection of Rhymes): Pronounced yì. A numerical designation; ten myriads are called one hundred million (yì). Another school of thought posits that the value of this number is indeterminate.
Book of Rites (Liji), Inner Morals, Commentary on Bestowing Virtue upon the Multitude: In mathematics, there are two methods of calculating the value of yì, the large and the small. The small method uses ten as the base for carry-over, where ten myriads make one hundred million, and ten hundred million make one trillion. The large method uses one myriad as the base for carry-over, where one myriad multiplied by one myriad equals one hundred million.
It also signifies stability.
Zuo Tradition (Zuozhuan), Year 21 of Duke Zhao: Lingzhou Jiu stated: If the heart is stable, then one is happy.
Also, Year 30: Why not temporarily stabilize our spirits and deities?
It also signifies guessing or estimating.
Zuo Tradition (Zuozhuan), Year 25 of Duke Xiang: One cannot allow oneself to be unrestrained.
Analects (Lunyu): To guess often allows one to strike the mark.
Also, Gongyi (to supply necessities): Refers to the provision of essential items to ensure one's stability.
Zuo Tradition (Zuozhuan), Year 11 of Duke Yin: I have only these one or two fathers and brothers, and cannot provide for them all.
Also, Wu Youqing stated: The term yì refers to gambling. It involves guessing based on one's own intent, similar to the shefu (a game of hiding objects under covers and guessing them) game of the Han dynasty, hence the name yì.
It is also interchangeable with the character for chest/internal feelings (yì).
History of the Former Han (Qian Hanshu), Biography of the Chancellor of Pingdu: I am sorrowful and rely on my internal estimates.
Verification:
Zuo Tradition (Zuozhuan), Year 25 of Duke Xiang: Cannot be satisfied by mere estimation. Corrected according to the original text by omitting the character for by/with.
Zuo Tradition (Zuozhuan), Year 11 of Duke Yin: My humble lord has only these one or two fathers and brothers, and cannot supply them. Corrected "My humble lord" to "I/the humble person" according to the original text.
