Anastasius I

[ an-uh-stey-shuh s, -shee-uh s ]
/ ˌæn əˈsteɪ ʃəs, -ʃi əs /

noun

a.d. c430–518, emperor of the Eastern Roman Empire 491–518.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019