nárstu
Nárstu is a term that appears in discussions of constructed languages and speculative fiction to denote a concept of collective responsibility or mutual aid within a community. It is not a term with a stable, real-world linguistic footing, and there is no consensus on a single definition.
Origin and etymology: The word is typically described as a neologism created for world-building; as such, there
Concepts and usage: The core notion linked to nárstu is reciprocity among members of a community, but
In fiction, it may appear as an institution, tradition, or ritual; in linguistic studies, it is discussed
See also: Constructed language, worldbuilding, reciprocity, social contract.