italiankielisestä
The term "italiankielisestä" is a Finnish grammatical form. It is the genitive singular partitive case of the word "italiakielinen". "Italiakielinen" itself is a compound word formed from "Italia" (Italy) and "kielinen" (linguistic or language-related). Therefore, "italiakielisestä" translates roughly to "of Italian-speaking" or "from Italian-speaking" when referring to a singular entity.
In Finnish grammar, the partitive case is used for various functions, including indicating an indefinite quantity,
For example, one might say "puhun italiankielisestä ihmisestä" which means "I am speaking about an Italian-speaking