Prolegomena Meaning in Bengali

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

Defenition of word Prolegomena

• a critical or discursive introduction to a book.

Example

After some elaborate prolegomena , the book follows a calendrical sequence, each poem dated and grouped by month so that the events of a hundred years follow a seasonal ebb and flow, not chronology.

Other Meaning of Prolegomena