6th cent. ; Rom. monk & Christian theologian, born in Scythia: believed to have introduced the current system of numbering years on the basis of the Christian Era
See Dionysius Exiguus in American Heritage Dictionary 4
(ĕg-zĭgˈyo͞o-əs, ĕk-sĭgˈ-) A.D. 500?-560?
Scythian monk and scholar who introduced the method of reckoning the Christian era from the birth of Christ.