Eustathius
Εὐστάθιος
(Εὐστάθιος), a Greek physician in the latter half of the fourth century after Christ, to whom two of the letters of St. Basil are addressed. A. D. 373, 374. (vol. iii. Epist. 151, 189, ed. Bened.) In some MSS. he is called by the title "Archiater." The second of these letters is by some persons attributed to St. Gregory of Nyssa, and is accoringly printed in the third volume of his works, p. 6, &c., ed. Bened.
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.