Colophon
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) An inscription, monogram, or cipher, containing the place and date of publication, printer's name, etc., formerly placed on the last page of a book.
The Nuttall Encyclopedia [2]
An Ionian city in Asia Minor, N. of Ephesus, is supposed to give name to the device at the end of books, the cavalry of the place being famous for giving the finishing stroke to a battle.