arvoineen
Arvoineen is a Finnish morpho-syntactic form that can appear in written Finnish as an example of the -ineen construction used to express accompaniment. In this pattern, a noun root is followed by the suffix -ineen to indicate “with” that noun, effectively signaling that the head noun is accompanied by the referenced entity. The form is most often encountered in formal, descriptive, or historical prose rather than in everyday speech.
In practice, arvoineen would function similarly to other -ineen forms such as tietoineen (with their knowledge)
Usage and register: The -ineen form is a recognized feature of standard Finnish grammar, though some variants
Related forms and notes: The broader -ineen family includes many derivatives formed to express “with X and