ἱππεύς

Ancient Greek

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

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

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
rider (of a horse), horseman, cavalryman
- 460 BCE – 420 BCE, Herodotus, Histories 3.88
(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 […]
A translation of Latin eques.

Third declension of ὁ ῐ̔ππεύς; τοῦ ῐ̔ππέως (Attic)

Case / #	Singular	Dual	Plural
Nominative	ὁ ῐ̔ππεύς ho hĭppeús	τὼ ῐ̔ππῆ tṑ hĭppê	οἱ ῐ̔ππῆς / ῐ̔ππεῖς hoi hĭppês / hĭppeîs
Genitive	τοῦ ῐ̔ππέως toû hĭppéōs	τοῖν ῐ̔ππέοιν toîn hĭppéoin	τῶν ῐ̔ππέων tôn hĭppéōn
Dative	τῷ ῐ̔ππεῖ tōî hĭppeî	τοῖν ῐ̔ππέοιν toîn hĭppéoin	τοῖς ῐ̔ππεῦσῐ / ῐ̔ππεῦσῐν toîs hĭppeûsĭ(n)
Accusative	τὸν ῐ̔ππέᾱ tòn hĭppéā	τὼ ῐ̔ππῆ tṑ hĭppê	τοὺς ῐ̔ππέᾱς toùs hĭppéās
Vocative	ῐ̔ππεῦ hĭppeû	ῐ̔ππῆ hĭppê	ῐ̔ππῆς / ῐ̔ππεῖς hĭppês / hĭppeîs
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Third declension of ῐ̔ππεύς; ῐ̔ππῆος (Epic)

Case / #	Singular	Dual	Plural
Nominative	ῐ̔ππεύς hĭppeús	ῐ̔ππῆε hĭppêe	ῐ̔ππῆες hĭppêes
Genitive	ῐ̔ππῆος / ῐ̔ππέος hĭppêos / hĭppéos	ῐ̔ππήοιν / ῐ̔ππήοιῐν hĭppḗoi(ĭ)n	ῐ̔ππήων hĭppḗōn
Dative	ῐ̔ππῆῐ̈ / ῐ̔ππέῐ̈ hĭppêĭ̈ / hĭppéĭ̈	ῐ̔ππήοιν / ῐ̔ππήοιῐν hĭppḗoi(ĭ)n	ῐ̔ππήεσσῐ / ῐ̔ππήεσσῐν / ῐ̔ππεῦσῐ / ῐ̔ππεῦσῐν hĭppḗessĭ(n) / hĭppeûsĭ(n)
Accusative	ῐ̔ππῆᾰ / ῐ̔ππέᾰ hĭppêă / hĭppéă	ῐ̔ππῆε hĭppêe	ῐ̔ππῆᾰς hĭppêăs
Vocative	ῐ̔ππεῦ hĭppeû	ῐ̔ππῆε hĭppêe	ῐ̔ππῆες hĭppêes
Notes:	Dialects other than Attic are not well attested. Some forms may be based on conjecture. Use with caution.

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