ostajilla

Ostajilla is a Finnish grammatical form that functions as the adessive plural of the noun ostaja, meaning "buyer." The noun ostaja refers to a person who purchases goods or services. The plural nominative is ostajat, while ostajilla marks the adessive plural, conveying meanings such as “on/at the buyers” or “with the buyers,” depending on the context. In Finnish, such case endings indicate relationships of location, involvement, or association, and ostajilla is used when a sentence refers to a group of buyers as the relevant participants or as a location.

In practical use, ostajilla appears in contexts related to markets, sales, and negotiation settings where the group of buyers is being referenced. It is part of the broader system of Finnish case endings that allow speakers to express complex spatial and social relations without prepositions. The form can appear in written and spoken Finnish, including marketing materials, event descriptions, and transactional documentation, where the presence or participation of buyers is being described.

Etymology and morphology: ostaja comes from the verb ostaa, “to buy.” The suffix -lla attaches to form the adessive plural ostajilla. This pattern is one example of how Finnish forms case endings to convey grammatical relationships rather than relying on prepositional phrases.

See also: ostaja, ostajat, Finnish grammar, Finnish cases.