The beginning of something.
The proximal end of attachment of a muscle to a bone that will not be moved by the action of that muscle.
An arbitrary point on Earth's surface, chosen as the zero for a system of coordinates.
The source of a river, information, goods, etc.
Ancestry.
The point at which the axes of a coordinate system intersect.
The last part of a period of time, event, or situation; the concluding or final part.
The hindmost part of anything (a person, animal, or object), the rear end; the butt, buttocks; hindquarters, rump.