thereunto

/ðɛrˈʌntu/
adverb
  1. To that thing, place, or matter; to it.
    • The contract had several clauses, and thereunto was added a final note about payment terms.
    • She pointed to the old chest and the key thereunto, which lay on the table.
    • The document and the signature thereunto were both required for the application.
Synonyms
What does "thereunto" mean? | whatsthatwordmean | whatsthatwordmean