Immemorial Meaning in Bengali

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

Defenition of word Immemorial

• originating in the distant past; very old.

Example

an immemorial custom

Other Meaning of Immemorial

• ADJECTIVE

  স্মরণাতীত immemorial forgotten
  প্রাচীন ancient old archaic primitive venerable immemorial
  পুরাতন old ancient aged used back immemorial
  মান্ধাতার আমলের immemorial