In 1891, with the object of getting the total duration of the dynasties to agree with the chronological system of Berossus and with the statement of Nabonidus concerning Khammurabi's date, Peiser proposed to emend the figure given by the Kings' List for the length of Dynasty III.
The trouble began early in the 17th century with the attempt, made in connexion with the printing of the liturgical books, to emend certain ritual details in which there was proved to have been a departure from primitive usage; 1 it came to a head under the patriarch Nikon.
Known as aprepitant, it is sold under the brand name Emend.