Webster's Revised Unabridged Dictionary · 1913

Origin

Origin , noun

[French origine, Latin origo, -iginis, from oriri to rise, become visible; akin to Greek 'orny`nai to stir up, rouse, Sanskrit r, and perh. to English run.]

1.
The first existence or beginning of anything; the birth.
This mixed system of opinion and sentiment had its origin in the ancient chivalry. — Burke
2.
That from which anything primarily proceeds; the fountain; the spring; the cause; the occasion.
3.
(Anatomy) The point of attachment or end of a muscle which is fixed during contraction; -- in contradistinction to insertion.
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. — Waller
Collocations (1)
Origin of coordinate axes (Mathematics) , the point where the axes intersect. See Note under Ordinate.