IPA: //ˈpriːˌbɪlt//
KK: /ˈpriːˌbɪlt/
Referring to a structure or part of a structure that is made in advance and then moved to where it will be used, often to save time and effort in construction.
The company offers prebuilt homes that can be set up quickly.
Prebuilt → It is formed from "pre-" (meaning before) and "built" (the past participle of "build", meaning to construct). The word "prebuilt" refers to something that has been constructed beforehand.
Think of something that is 'constructed before' ('pre-') it is needed — that's what prebuilt means.