Begin at the beginning-and go on till you come to the end ; then stop. LCarroll - Alice's Adventures in Wonderland

be⋅gin⋅ning

  [bi-gin-ing]

–noun

1.	an act or circumstance of entering upon an action or state: the beginning of hostilities.

2.	the point of time or space at which anything begins:the beginning of the Christian era; the beginning of the route.

3.	the first part: the beginning of the book; the beginning of the month.

4.	Often, beginnings. the initial stage or part of anything: the beginnings of science.

5.	origin; source; first cause: A misunderstanding about the rent was the beginning of their quarrel.

–adjective

6.	just formed: a beginning company.

7.	first; opening: the beginning chapters of a book.

8.	basic or introductory: beginning Spanish.

9.	learning the fundamentals: a beginning swimmer.