Hovedsett
Hovedsett is a term sometimes used in Scandinavian languages, particularly Norwegian, to refer to a main set or a primary collection of something. It can apply to a variety of contexts, such as a set of tools, a collection of books, or a group of components that form a fundamental unit. The word itself is a compound of "hoved," meaning head or main, and "sett," meaning set.
In a practical sense, a hovedsett implies the most important or essential part of a larger whole.