Meaning & History
From Japanese 結 (yu) meaning "tie, fasten, join, organize", 優 (yu) meaning "gentleness, lithe, superior" or 幽 (yu) meaning "dark", 由 (yu) meaning "cause, reason" or duplicated using 々 combined with 子 (ko) meaning "child". Other kanji combinations are possible. Famous bearer is Yuyuko Takemiya, who is a Japanese writer of light novels.