wherein

/ˈwɛrˌɪn/
adverb
  1. In which; where (referring to a place, situation, or thing).
    • The novel describes a world wherein magic is real.
    • We found a box wherein old letters were stored.
    • This is the room wherein the meeting will be held.
  2. In what way or respect?
    • Wherein does this plan differ from the previous one?
    • Wherein lies the problem with this approach?
    • She asked, 'Wherein have I failed to meet your expectations?'
Synonyms
What does "wherein" mean? | whatsthatwordmean | whatsthatwordmean