κατέσχον sc. ἐμαυτόν. In classical Attic this use occurs only here: in later Greek it recurs, as Plut. Artax. 15 εἶπεν οὖν μὴ κατασχών. ὑμεῖς μέν κ.τ.λ. Cp. ἔχε, σχές, ἐπίσχες （“stop”）, in Plat., Dem., etc.