käsikädessä
Käsikädessä is a Finnish adverbial expression meaning "hand in hand" or "together", used both literally and figuratively to describe close physical proximity, cooperation, or simultaneous occurrence. The word combines käs(i) "hand" with a repeated element and the inessive case ending -ssä, conveying the state of being "in hand" with something or someone.
In everyday language it appears in phrases such as "he kävelevät käsikädessä" (they walk hand in hand)
Käsikädessä is one of several Finnish expressions with similar meaning; alternatives include käsi kädessä, käsikkäin and