voimanlähteensä
voimanlähteensä is a Finnish word that translates to "its power source" or "their power source" in English. It is a possessive form of the word voimanlähde, which means "power source." The suffix "-nsä" indicates possession by a third person, either singular or plural. Therefore, voimanlähteensä refers to a power source belonging to someone or something already mentioned or understood in the context.
The term can be applied to a wide range of contexts. For example, it could refer to