εὔιππος
From LSJ
ἀλλ' εἰ μὲν ἁγνόν ἐστί σοι Πειθοῦς σέβας, γλώσσης ἐμῆς μείλιγμα καὶ θελκτήριον → but if you have holy reverence for Persuasion, the sweetness and charm of my tongue
English (LSJ)
Ep. ἐΰιππος, ον, of persons,
A delighting in horses, h.Ap. 210, Hes.Cat.Oxy.1358.21, Pi.O.3.39: Sup., X.HG4.2.5, etc. 2 of places, famed for horses, Pl.P.4.2, S.OC668 (lyr.).
German (Pape)
[Seite 1073] mit guten Rossen, H. h. Apoll. 210; Τυνδαρίδαι, Ἀμαζόνες, wohlberitten, Pind. Ol. 3, 41. 8, 47 u. öfter; Κυράνα, gute Pferde habend, P. 4, 2; Tragg. öfter, δῶρον εὔιππον, Geschenk guter Pferde, Soph. O. C. 715; auch in Prosa, Xen. Cyr. 5, 5, 5, im superl.