ἱππομαχέω

A. fight on horseback, Th. 4.124, X. Cyr. 6.4.18; ἱ. πρὸς ὁπλίτας to fight, cavalry against infantry, Id. Ages. 2.3.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project