origin

origin is a   Noun

Definition:

[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] The point of attachment or end of a muscle which is fixed during contraction; -- in contradistinction to insertion. Origin of coördinate axes (Math.), the point where the axes intersect. See Note under Ordinate.

Synonyms: