arviointiisiin
Arviointiisiin is not a standard Finnish word and is not listed in mainstream dictionaries. In contemporary Finnish, it does not have an established meaning or grammatical status. The form is typically treated as a nonce or nonce-like construction rather than a recognized lexeme.
The word appears to be a nonstandard combination of arviointi, the noun meaning assessment or evaluation, with
Because arviointiisiin lacks recognized status, it is seldom appropriate for formal writing or reference works. When
Finnish language, Finnish morphology, Finnish verb forms, arviointi.
If you encountered this form in a specific text, the author’s intent might be experimental or idiosyncratic,