wofür
Wofür is a German interrogative word used to ask about the purpose, use, or function of something. It translates roughly as “for what” or “what for.” The form is a fused prepositional pronoun, combining the question concept with the preposition für, and it is written as one word. It can appear in main clauses, subordinate clauses, and, in a slightly different function, in relative clauses.
In everyday use, wofür asks about the intended use or justification of an object, action, or situation.
Wofür can also introduce relative clauses, where it refers back to a purpose or function mentioned earlier.
Relation to similar terms: wofür is closely related to wozu, which also asks about purpose but with