Note 050
The emperor Isaac is styled by Villehardouin, Sursac, (No. 35, &c.,) which may be derived from the French Sire, or the Greek Ancient Greek

melted into his proper name; the further corruptions of Tursac and Conserac will instruct us what license may have been used in the old dynasties of Assyria and Egypt.

The History Of The Decline And Fall Of The Roman Empire —Fall In The East —Chapter 60