Heretofore Meaning in Bengali

What is the meaning of word Heretofore in Bengali/Bangla ?

Defenition of word Heretofore

• before now.

Example

diseases that heretofore were usually confined to rural areas

Other Meaning of Heretofore

• ADVERB

  ইত:পূর্বে last formerly heretofore already
  পূর্বে before prior previously formerly earlier heretofore