säännönmukaiselle
säännönmukaiselle is the allative plural form of the Finnish adjective säännönmukainen. The word säännönmukainen itself translates to "regular," "systematic," "conforming to rules," or "in accordance with regulations." The allative case in Finnish indicates movement towards or direction into a place or state, and the plural form signifies that this applies to multiple entities or instances.
Therefore, säännönmukaiselle describes something that is directed towards or acting in a regular, systematic, or rule-governed