1. The point at which something comes into existence or from which it derives or is derived.
2. Ancestry: We cannot escape our origins, however hard we try(James Baldwin).
3. The fact of originating; rise or derivation: The rumor had its origin in an impulsive remark.
4. Anatomy The point of attachment of a muscle that remains relatively fixed during contraction.
5. Mathematics The point of intersection of coordinate axes, as in the Cartesian coordinate system.
[Middle English origine, ancestry, from Latin org, orgin-, from orr, to arise, be born; see er-1 in Indo-European roots.]
Synonyms: origin, inception, source, root1 These nouns signify the point at which something originates. Origin is the point at which something comes into existence: The origins of some words are unknown. When origin refers to people, it means parentage or ancestry: He came . . . of mixed French and Scottish origin (Charlotte Bront?). Inception is the beginning, as of an action or process: The researcher was involved in the project from its inception. Source signifies the point at which something springs into being or from which it derives or is obtained: The mysterious . . . is the source of all true art and science (Albert Einstein). Root often denotes what is considered the fundamental cause of or basic reason for something: Lack of money is the root of all evil (George Bernard Shaw).
1. a primary source; derivation
2. the beginning of something; first stage or part
3.(often plural) ancestry or parentage; birth; extraction
a. the end of a muscle, opposite its point of insertion
b. the beginning of a nerve or blood vessel or the site where it first starts to branch out
5. (Mathematics) Maths
a. the point of intersection of coordinate axes or planes
b. the point whose coordinates are all zero See also pole2 
6. (Business / Commerce) Commerce the country from which a commodity or product originates shipment from origin
[from French origine, from Latin orīgō beginning, birth, from orīrī to rise, spring from]
The point at which the axes of a Cartesian coordinate system intersect. The coordinates of the origin are (0,0) in two dimensions and (0,0,0) in three dimensions.
origin /rdn, r/ n.1 [C;U] the location of where s.t. begins or began, the source: The origin of that folk song is France.2 [C;U] ones childhood and ones familys social class: He comes from working-class origins.