a freedman of Atticus. After his manumission by Atticus, his name naturally was T. Pomponius Eutychides; but when Atticus was adopted by Q. Caecilius, his freedman also altered his name into T. Caecilius Eutychides. (Cic. Att. 4.15.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890