ὡς ἔπος εἰπεῖν
From LSJ
γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose
Greek > English (Woodhouse)
almost, practically, as the saying is, so to speak, to use a figure of speech
