But when Pharnabazus with much cavalry and infantry attacked the forces of Thrasyllus, who had made a raid into the territory of Abydos, Alcibiades sallied out to their aid, routed Pharnabazus, and pursued him till nightfall, along with Thrasyllus.
Edition :
Plutarch Lives IV: Alcibiades and Coriolanus, Lysander and Sulla, Ed. Jeffrey Henderson, trans. Bernadotte Perrin (The Loeb Classical Library 80), Harvard University Press: Cambridge/MA - London 2000 (first ed. 1916).