surname Wei; ancient Chinese state near present-day Chongqing; Taiwan
Phonosemantic compound. 彳 represents the meaning and 𢼸 represents the sound. Based on the original meaning "go out and hide". The meaning later shifted to "conceal" and "tiny".
《說文》：“微，隱行也。从彳，聲。《春秋傳》曰：‘白公其徒微之。’”
go out and hide