Well - Sei

Japanese: 井 - せい

[1] [noun] ① idō (well); i (well). [Book of Changes - Well Hexagram] ② igeda (well). Also, its shape. ※Kōyō Gunkan (early 17th century), item 29: “The bannerman, in front of the Tenkiu (staff officer ), Anayamadono, has prepared a well.” [Zuoshi - Wei Du Fu] ③ (Because people gather where there is a well) Murazato (town); town; city well. [Song Shu - He Cheng Tian Zhuan] ④ In ancient China, this refers to a field of one ri square and 900 mu of land. [Mencius - Teng Wen Gong] ⑤ One of the 64 hexagrams of the Yi. The upper hexagram is Kan ( water), and the lower hexagram is Sun ( wind). It is also called Shuifeng Well. Sun is a tree, and in this case it represents a bucket, and the act of drawing water with a bucket. [2] One of the 28 constellations. The first southern constellation. It is located in the shape of a well near the star μ (Mu) in Gemini. It is the constellation of Well . It is the constellation of East Well. ※Seishuku (1724) vol. 1 "The seven constellations of Well, Gui, Willow, Star, Zhang, Wing, and Riding are arranged like a short-tailed bird." (Notes on the Book of the Later Han Dynasty - Biography of Lang Yi)

Ii [Well]

〘 noun 〙 A place to draw water from a spring or running water. A running well. Also, a mechanism for digging into the ground to store and draw groundwater. ※ Chronicles (720) Kamiyo no Shita (Mito Honin) "Above the well there is a katsura tree." ※ Makura (end of the 10th century) 168 "The well is Horikane no I. Tama no I. The running well is Ousaka, which is a beautiful place."

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

[1] 〘名〙① いど。い。〔易経‐井卦〕② いげた。また、その形。※甲陽軍鑑（１７Ｃ初）品二九「御旗本、まへは典厩(てんきう)穴山殿、せいに備をたて給ふ」〔左思‐魏都賦〕③ (井戸のあるところには人が集まるところから) むらざと。まち。市井。〔宋書‐何承天伝〕④ 古代中国で一里四方、九百畝の田地をいう。〔孟子‐滕文公〕⑤ 易の六十四卦の一つ。上卦は坎(かん)（=水）、下卦は巽(そん)（=風）。水風井ともいう。巽は木でこの場合つるべをあらわし、つるべで水をくみあげるさま。[2] 二十八宿の一つ。南方第一宿。ふたご座のμ(ミュー)星付近で井の字形になっている部分にあたる。井宿(せいしゅく)。東井。ちちりぼし。※制度通（1724）一「井・鬼・柳・星・張・翼・軫の七宿、その並びやう短尾の鳥のごとし」〔後漢書注‐郎顗伝〕