rikkaasta
Rikkaasta is a Finnish inflected form of the adjective rikas, which means wealthy or rich. It is not a standalone word with its own meaning, but the elative singular form used before a noun to express the noun phrase in the elative case or to convey a sense of “from the wealthy” in phrases such as from a wealthy source.
In practice, rikkaasta appears in phrases where the accompanying noun is in the elative (and thus the
Other inflected forms of rikas are used for different cases before nouns, such as rikkaan (genitive singular)
Etymology traces rikkaasta to the Finnish adjective rikas, meaning “wealthy.” It is a part of standard Finnish