Worin
Translation
in what, wherein, what... in
Examples
Worin liegt der Unterschied?
Wherein lies the difference?
Worin besteht das Problem?
What does the problem consist of?
Das ist die Kiste, worin die alten Fotos sind.
That is the box in which the old photos are.
Grammar Patterns
((in sth.)) in what Worin liegt der Unterschied?
((in sth.)) wherein Das ist die Kiste, worin die Fotos sind.
Similar Words
worauf (on what), worüber (about what), wovon (from what)
Etymology
From 'wo' (where, what) + 'r' (linking sound) + 'in' (in). Literally 'what in' or 'wherein'.
Memory Tips
Think of it as the question form for 'in' + a thing. It replaces 'in was?'. For people, you would use 'in wem?'.