Note 075
See the Ceremoniale Aulae Byzant. tom. ii. c. 15, p. 343 - 345: the style of Olga, or Elga, Ancient Greek For the chief of Barbarians the Greeks whimsically borrowed the title of an Athenian magistrate, with a female termination, which would have astonished the ear of Demosthenes.
The History Of The Decline And Fall Of The Roman Empire —Fall In The East —Chapter 55