põhiosast
Põhiosast is Estonian a noun meaning the main part or the principal component of something. The word is formed from the elements põh- (base, main) and osa (part). In use, põhiosa refers to the central or most important portion that determines the overall character or outcome of a project, document, system, or argument, as opposed to its secondary parts.
Grammatically, põhiosa can take forms such as põhiosast when used with prepositions to indicate “of the main
Usage and context examples illustrate its role in describing the essential content or structure. For instance,