beginning

Serving to begin.

“the beginning canto of the poem”

The time at which something is supposed to begin.

The place where something begins, where it springs into being.

“the Italian beginning of the Renaissance”

The act of starting something.

“he was responsible for the beginning of negotiations”

The event consisting of the start of something.

“the beginning of the war”

The first part or section of something.

“`It was a dark and stormy night' is a hackneyed beginning for a story”