(physiology) Being, or having its origin, within the external surface of the body; especially applied to feelings, such as hunger, produced by internal disturbances.
1870-1880, Herbert Spencer, Principles of Psychology
On comparing these three great orders of feelings , we found that whereas the epiperipheral are relational to a very great extent , the entoperipheral , and still more the central , have but small aptitudes for entering into relations