A.leave beforehand, οὐ π. τὴν κοινωνίαν, πλὴν ἐὰν χῆρος ἢ χήρα γένηται, of doves, Arist.HA612b33; of water, quit certain places first, Id.Mete.352b11; π. τὴν τάξιν depart from the natural order first, Id.Rh. Al.1438a31.
II. intr., fail before or first, Hp.Mul.1.59: c.gen., fail before, i.e. in comparison with, “τοῦ σώματος . . ἡ ψυχὴ π.” Antipho 5.93; “προαπολείπει τῆς προθυμίας ἡ δύναμις” Plu.2.789d:—Med., ib. 1078f.
2. desist first, Paus.2.1.5.