προεξανίσταμαι

A. rise before or first, Hdt. 9.62; rouse oneself beforehand, D. 18.163, J. AJ 18.6.10; π. τῷ πολέμῳ make war first, Plu. Rom. 16: c. gen., π. τοῦ τέλους Lib. Or. 51.4; to be roused before, τὼ χεῖρε π. τῶν ὀφθαλμῶν Them. Or. 17.216c.

2. in a race, start before the signal is given, οἱ προεξανιστάμενοι ῥαπίζονται Hdt. 8.59, cf. Plu. Them. 11; ‐αναστάντας καταγινώσκειν condemn hastily, Ph. 2.210.

3. revolt prematurely, Plu. 2.459e.