πιστότης
From LSJ
ὄρνιθι γὰρ καὶ τὴν τότ᾽ αἰσίῳ τύχην παρέσχες ἡμῖν → for it was by a good omen that you provided that past fortune to us
English (LSJ)
ητος, ἡ,
A good faith, honesty, Hdt.7.52, Pl.Lg.630c, etc. 2 πιστότητος ὑμῶν ἕνεκα in order to produce conviction in you, And.1.25.
German (Pape)
[Seite 621] ητος, ἡ, Treue, Redlichkeit, Glaubwürdigkeit; Theogn. bei Plat. Legg. I, 630 c; Her. 7, 52; Andoc. 1, 25; Xen. Hell. 4, 8, 4 u. Sp.