Component 亚 a building with four sides

Component 亚 a building with four sides

There are different versions as to the origin of 亚, among which is the version that 亚 is a building with four sides. 亚 serves as phonetic component to form characters. 


In 说文解字, 亚 is a humpback ( 醜也。象人局背之形).

In modern Chinese, 亚 means:second, inferior, sub-

Characters formed by the phonetic component 亚

哑 痖 yǎ
垭 桠 yā
铔 娅 氩 挜 yà