Systemisenä
Systemisenä is the essive form of the Finnish adjective systeminen, meaning "systemic" or "systematic." In Finnish grammar, the essive case expresses a temporary state or capacity, so systemisenä translates roughly to "as a systemic [thing]" or "in the capacity of a system." The form is used when describing something considered as part of a system or in terms of the system as a whole.
In usage, systemisenä often appears in academic, policy, or analytical writing to emphasize holistic or structural
Etymologically, systeminen is a Finnish adjective built from the root system- with the typical -inen adjective