ἱππεύς

ἵππος (híppos, “horse”) +‎ -εύς (-eús, suffix for masculine person concerned)

ἱππεύς • (hippeús) m (genitive ἱππέως or ἱππῆος); third declension (Epic, Ionic, Aeolic, Attic, Koine)

1. charioteer (chariot-driver or person fighting from a chariot)
   • 800 BCE – 600 BCE, Homer, Iliad 2.810:

     ἐκ δ’ ἔσσυτο λαὸς / πεζοί θ’ ἱππῆές τε·

     ek d’ éssuto laòs / pezoí th’ hippêés te;

     the people swept out, both infantry and charioteers

2. rider (of a horse), horseman, cavalryman
   • 460 BCE – 420 BCE, Herodotus, Histories 3.88
3. (in the plural) knights (early Greek aristocracy)
   • 384 BCE – 322 BCE, Aristotle, Politics 4.1297b.18:

     ἡ πρώτη δὲ πολιτεία ἐν τοῖς Ἕλλησιν ἐγένετο μετὰ τὰς βασιλείας ἐκ τῶν πολεμούντων, ἡ μὲν ἐξ ἀρχῆς ἐκ τῶν ἱππέων

     hē prṓtē dè politeía en toîs Héllēsin egéneto metà tàs basileías ek tôn polemoúntōn, hē mèn ex arkhês ek tôn hippéōn […]

     After the kingdoms, the first type of state among the Greeks arose from the military: in the beginning from the knights

4. A translation of Latin eques.

• Coptic: ϩⲓⲡⲡⲉⲩⲥ (hippeus)

• ἱππεύς in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
• “ἱππεύς”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press