Upstream - Joryu

Japanese: 上流 - じょうりゅう

〘noun〙① The part of a river close to its source. Inakami. Kawakami. ⇔Downstream. ※Nihon Gaishi (1827) vol. 11 "Kenshin _divides his troops and _crosses _{the upper} reaches, leaving _{the Kai} army _behind. " ※Newspaper Magazine - Issue 23, December 1871 (Meiji 4) "The upper reaches are blocked by huge boulders, causing the water to rage violently ." [Shiji - Biography of the Marquis of Huaiyin] ② Upper class. A high class in terms of social status, economic power, education, etc. Upper class. ⇔Downstream. ※Bunmei-ron no Gairyaku (Outline of a Theory of Civilization) (1875 ) by Fukuzawa Yukichi vol. 1 "The cause of the war between the Yuan and the Reich was the resentment of the noblemen of the upper reaches of the country who resented the old bad practice of prostitutes." [Luoyin - Title of Fanggan Poetry]

Uwa- nagashiuwa... [upstream]

〘 noun 〙 A kitchen sink used on the floor inside a house. ※Kabuki, Mei Sango Taisetsu (1825), finale: "Kitchen tools, a kotatsu yagura (heated table) , a uhanaga (a hot water heater) , and various other tools."

Kami-Ryuu ...Ryuu [upstream]

The Senke school of tea ceremony was named after its head family, who lived in Kamigyo , Kyoto , as opposed to the Yabunai family in Shimogyo.

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

Japanese:

〘名〙① 川の流れの源に近い部分。みなかみ。かわかみ。⇔下流。※日本外史（1827）一一「謙信分_レ兵渡_二上流_一、出_二甲斐軍後_一」※新聞雑誌‐二三号・明治四年（1871）一二月「上流は巨石犖确(らくかく)水勢之が為に迸激(はうげき)し」〔史記‐淮陰侯伝〕② 上の階級。社会的地位、経済力、教養などの高い階層。上流階級。⇔下流。※文明論之概略（1875）〈福沢諭吉〉一「元と此戦争の起る源因は、国内上流の士君子、売奴の旧悪習を悪み」〔羅隠‐題方干詩〕