Genesis (noun)

1. The origin or mode of formation of something.
2. The coming into being of something; the origin or beginning of something.
3. The first book of the Old Testament, which gives an account of the creation of the world and the origins of humanity.

Origin:

From the greek word "genesis" meaning origin, creation, or beginning.

Examples:

1. The genesis of the project was a simple idea.
2. The genesis of life on earth is still a mystery.
3. The Genesis tells the story of the creation of the world.
4. The company"s genesis was in the garage of the founder"s house.
5. The genesis of the story was a dream the author had.