kyljessä
Kyljessä is a Finnish noun form meaning “in/at the side” or “on the side,” and it is the inessive form of kylki, which refers to a side, flank, rib, or a cut of meat from the side. The base word kylki covers bodily sides as well as edge-like parts of objects and is used in anatomy, cooking, and descriptions of physical positions.
In terms of grammar, kylki is declined like a standard Finnish noun. Singular forms include kylki (nominative),
Usage of kyljessä is primarily locational, describing where something is in relation to a side or flank.