origin

noun

1. 1

   The beginning of something.

2. 2

   The source of a river, information, goods, etc.

3. 3

   The point at which the axes of a coordinate system intersect.

4. 4

   The proximal end of attachment of a muscle to a bone that will not be moved by the action of that muscle.

5. 5

   An arbitrary point on Earth's surface, chosen as the zero for a system of coordinates.

6. 6

   (in the plural) Ancestry.