πρόεσις

A. sending forth, emission, [τῶν ᾠῶν] Arist. HA 550b12, cf. Ph. 1.29, Gal. 4.590; οὔρου, οὔρων, Arist. Pr. 888b1, Aret. SD 2.4; καταμηνίων, [περιττώματος], Arist. GA 765b21, PA 663a16, cf. Thphr. Metaph. 29; φωνῆς voice-production, Anon.Epicureus Herc. 176p.39V.; π. ἐκ τῶν νεφῶν Epicur. Ep. 2p.49U.: pl., δακρύων ‐έσεις Phld. Mort. 25.

2. throwing away, opp. λῆψις, Arist. EN 1107b12.