Beginning

Be·gin·ning

Beginning

n.
  1. The act of doing that which begins anything; commencement of an action, state, or space of time; entrance into being or upon a course; the first act, effort, or state of a succession of acts or states.
    In the beginning God created the heaven and the earth.
    — Gen. i. 1.
  2. That which begins or originates something; the first cause; origin; source.
    I am . . . the beginning and the ending.
    — Rev. i. 8.
  3. That which is begun; a rudiment or element.
    Mighty things from small beginnings grow.
  4. Enterprise.