Käytöillä
Käytöillä is a Finnish term that translates to "by means of," "through," or "with" in English. It is a grammatical case ending, specifically an adessive case form, that indicates the instrument or method by which an action is performed. It is formed by adding the suffix "-llä" or "-llä" to the end of a noun.
For example, in the sentence "Kirjoitin paperille kynällä" (I wrote on the paper with a pen), "kynällä"
The adessive case in Finnish is versatile and can also indicate location or presence, such as "Olen