yhteisöistään
Yhteisöistään is a Finnish grammatical form that translates roughly as "from their communities" or "of their communities." It is built from yhteisö, meaning "community," and uses Finnish possessive and case endings to indicate possession and source with regard to multiple communities. In practical use, it refers to the communities belonging to or associated with a group, rather than to any single community.
Usage: The phrase appears mainly in formal writing—sociological, ethnographic, journalistic, and policy texts—where authors discuss norms,
Notes: Finnish allows such constructions through the combination of the plural genitive and the possessive suffix
See also: yhteisö, yhteisöllisyys, sosiaalinen identiteetti.