(Γραῖκος), a son of Thessalus, from whom the Greeks derived the name of Γραικοί (Graeci.) (Steph. Byz. s. v. Γραικός; comp. Aristot. Meteorol. 1.14; Callim. apud Strab. v. p. 216.)
[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