Ancestry.
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.
The beginning of something.
The point at which the axes of a coordinate system intersect.
The ancestor word corresponding to a descendant.
The descendant of an earlier language element, such as a word or phoneme, in a daughter language.
The descendant of anything from an earlier time, such as a cultural myth.
An automatic response to a simple stimulus which does not require mental processing.
Reflection or an image produced by reflection. The light reflected from an illuminated surface to one in shade.
Having greater than 180 degrees but less than 360 degrees.
Illuminated by light reflected from another part of the same picture.
Produced automatically by a stimulus.
Bent, turned back or reflected.
To bend back or turn back over itself.
To respond to a stimulus.