lähteestänsä

lähteestänsä is a Finnish grammatical form. It is the genitive case of the third-person possessive suffix "-nsä" attached to the word "lähde," which means "source." Therefore, lähteestänsä translates to "from its source" or "from their source" depending on the context of the antecedent. The suffix "-nsä" is a possessive suffix indicating third-person ownership, which can refer to a singular or plural subject. The ending "-stä" indicates the elative case, meaning "from" or "out of." This combination of case and possessive suffix is used to denote origin or departure from something belonging to a third party. For example, "Vesi virtasi lähteestänsä" would mean "The water flowed from its source." The grammatical function of lähteestänsä is to specify the point of origin for an action or state, emphasizing that the origin belongs to a previously mentioned or understood entity. This form is common in Finnish sentences describing movement, origin, or the beginning of something.