samþætttrar
Samþætttrar is an Old Norse word that translates to "united" or "joined together." It is the genitive plural form of the adjective samþættr. This adjective describes a state of being merged, fused, or consolidated into a single entity. The root of the word can be broken down into "sam-" meaning "together" and "þætt-" relating to "thread" or "strand." Thus, it carries a connotation of being woven or knitted into one.
In Old Norse literature, samþætttrar would have been used to describe various situations where distinct elements