kallioista
Kallioista is the plural elative form of the Finnish noun kallio, meaning rock or cliff. The elative case expresses origin or source, and with plural nouns the suffix -ista/-istä yields kallioista. As a grammatical form, kallioista is used when referring to multiple rocks or rock formations as the source of something or as material.
In geology, geography, and descriptive Finnish, kallioista appears when discussing bedrock, rock outcrops, or rock-derived materials.
Kallioista is not a standalone concept beyond its role as a declined form of kallio; it does