someone, something

某 is composed of 甘 (sweet) and 木 (wood). 甘 is a pictograph of a mouth containing something, representing taste, while 木 is a pictograph of a tree. Thus, 某 refers to fruit on a tree, which may be sour or sweet, requiring tasting to know its flavor, extending to the meaning of uncertainty or obscurity, used to refer to unknown people or things.