beginning (EN)
noun, adjective

This word can also be a form of:
begin (verb)

noun “beginning”

sg. beginning, pl. beginnings or uncountable
  1. the first part of something that continues
    At the beginning of the movie, the hero is seen leaving his hometown.
  2. the origin or cause of something
    The beginning of her passion for music was the old piano in her grandmother's house.

adjective “beginning”

beginning, non-gradable
  1. related to the first part of something (e.g. a book)
    She found the beginning chapters of the book to be the most engaging.