I.to give beforehand, pay in advance, Xen.
II.to give up to the enemy, deliver up, betray, Lat. prodere, Hdt.:—c. inf., ὃν σὺ προὔδωκας θανεῖν Eur.:—Pass., Hdt., Soph.
2.to forsake in distress, abandon, Hdt., attic:—Pass., Hdt.
3.absol. to play false, desert, id=Hdt., etc.; προδοῦσ᾽ ἁλίσκεται is convicted of treachery, Soph.; πρ. πρὸς τοὺς κατιόντας to treat treasonably with them, Hdt.
4.with a thing as subject, to betray or fail one, Xen.:—intr. to fail, Lat. deficere, of a river that has run dry, Hdt.; of a tottering wall, id=Hdt.