Hipp. Maj., 286d

νῦν οὖν, ὃ λέγω, εἰς καλὸν ἥκεις, καί με δίδαξον ἱκανῶς αὐτὸ τὸ καλὸν
what is exactly this ὅ here? So now, what I say, you come in good time. In English, it should be rather ‘as I say.’