kasseihin
Kasseihin is a Finnish word that functions as the illative plural form of the noun kassi, meaning bag or shopping bag. It expresses movement into multiple bags, or direction toward the interiors of several bags. The corresponding singular form is kassiin, meaning into the bag.
In usage, kasseihin is common in contexts involving packing or transferring items into bags, such as at
Morphologically, kassi serves as the base noun; its plural nominative is kassit (the bags), and its illative
Notes and related terms: the singular illative form is kassiin, used when referring to a single bag.