viinirypäleisiin
Viinirypäleisiin is the illative plural form of the Finnish noun viinirypäle, meaning grape. In Finnish, illative expresses movement toward or into a destination, and the plural illative is used when the destination is plural or conceived as a location consisting of multiple items. The form viinirypäleisiin is formed from the stem viinirypäle- plus the illative plural suffix -isiin, and it is used with verbs of motion or direction, such as mennä or suuntautua.
A typical usage is to indicate movement toward a location that is understood as containing grapevines, for