IPA: //ˈsuːpərˌstrʌkʧər//
KK: /ˈsuːpərˌstrʌkʧər/
A structure that is built on top of a foundation, or a concept that is developed from a basic idea.
The superstructure of the building was designed to be both functional and aesthetically pleasing.
Superstructure → It is formed from "super-" (meaning above or over) and "structura" (from Latin, meaning to build or structure). The word refers to a structure that is built above or on top of another structure.
Think of something that is built 'above' ('super-') another structure ('structura') — that's why superstructure means an additional structure on top.