tennivalóval
Tennivalóval is the instrumental form of the Hungarian noun tennivaló, which denotes something to be done—a task or obligation. As an instrumental, tennivalóval expresses means or accompaniment, in contexts where a task serves as the medium or instrument for an action, or more generally to describe the presence of a task within a process. The form is uncommon in everyday speech and is primarily encountered in linguistics, formal writing, or descriptive passages about procedures.
Etymology and morphology: The noun tennivaló comes from the verb tenni “to do” and the suffix -való,
Usage: Tennivalóval is chiefly found in written Hungarian, dictionaries, and linguistic descriptions rather than in casual