aritmeettisella
Aritmeettisella is the adessive singular form of the Finnish adjective aritmeettinen, meaning related to arithmetic. In Finnish grammar, adjectives decline to agree with the noun in case, so when aritmeettinen accompanies a noun in the adessive case, it takes the form aritmeettisella. This form is used to describe something in a way that pertains to arithmetic, or to indicate location or context on an arithmetic level.
Typical uses include phrases such as aritmeettisella tasolla (“on an arithmetic level”) and aritmeettisella tavalla (“in
Etymology and formation: aritmeettinen derives from aritmetiikka (arithmetic) and the suffix -tinen, forming an adjective that
Notes: The term is standard in formal Finnish and appears in educational materials and mathematical texts.