Origin /(?)/

Or·i·gin

Origin

n.
  1. The first existence or beginning of anything; the birth.
    This mixed system of opinion and sentiment had its origin in the ancient chivalry.
  2. That from which anything primarily proceeds; the fountain; the spring; the cause; the occasion.
  3. The point of attachment or end of a muscle which is fixed during contraction; -- in contradistinction to insertion. (Anat.)
    I think he would have set out just as he did, with the origin of ideas -- the proper starting point of a grammarian, who is to treat of their signs.
    — Tooke.
    Famous Greece, That source of art and cultivated thought Which they to Rome, and Romans hither, brought.

Phrases & Compounds
Origin of coordinate axes
the point where the axes intersect. See Note under Ordinate.