πρόπειρα

A. previous trial or venture, ἐν Ἀθηναίοισι τὴν πρόπειραν ποιέεσθαι, Lat.periculum facere in . . , Hdt. 9.48; π. ποιεῖσθαι εἰ . . Th. 3.86; π. τινὸς λαμβάνειν Ael. NA 8.22; of a trial in athletic exercises, IG 14.1102.16 (pl.).