εὔιππος
From LSJ
διήλθομεν διὰ πυρὸς καὶ ὕδατος → we went through fire and water, we have gone through fire and water
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.).
