Venerable Euthymius the New of Thessalonica, and Monk of Mt Athos ...
https://oca.org/saints/.../102972-venerable-euthymius-the-new-of-thessalonica-and-m...
15 Oct 2011 - Saint Euthymius the New of Thessalonica and Mt Athos, in the world ... New” to distinguish him from Saint Euthymius the Great (January 20).
January 4 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/January_4_(Eastern_Orthodox_liturgics)
Jump to Saints - Saint Euthymius the Younger of Thessalonica (Euthymius the New), monk. Venerable Timothy the Stylite (872); Hieromartyr Alexander, ...