φραστικός
From LSJ
εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
English (LSJ)
ή, όν,
A indicative, expressive, τινος Pl.Def.414d; τὸ φ. μέρος τοῦ λόγου, opp. ἡ νόησις, Longin.30.1; φ. τόποι expressive, Id.32.6; φ. δύναμις M.Ant.1.16, Ael.VH3.1; of persons, eloquent, D.L.5.65: τὸ φ. power of speaking, Placit.5.20.4.
German (Pape)
[Seite 1303] zum Sprechen, Reden gehörig, geschickt, τὸ φραστικόν, die Fähigkeit zu sprechen, Plut. plac. phil. 5, 20.