käsittelemiensä
Käsittelemänsä is a Finnish word that functions as a past active participle. It is derived from the verb "käsitellä," which means to handle, to process, to deal with, or to treat. The suffix "-mänsä" indicates a possessive relationship, typically referring to the subject of the clause. Therefore, "käsittelemänsä" literally translates to something like "that which it/he/she has handled/processed/dealt with/treated."
In practice, "käsittelemänsä" is used to describe something that has been the object of an action performed
The word can also refer to abstract concepts or ideas. If someone were to say "Hän analysoi