τὴν οἴησιν ἔλεγε προκοπῆς ἐγκοπήν → he used to say, Opinion forming is the stoppage of progress
subs.
Resolve into elements: P. διαλύειν.
Examine: P. and V. ἐξετάζειν, διασκοπεῖν; see examine.
σκέμμα