πρόδοσις

εως, ἡ
A. payment beforehand, money advanced, Lys. Fr. 1.3(pl.); δωρεαὶ καὶ προδόσεις D. 50.7,12.
2. προδόσει πίνειν to drink on credit, Hermipp. 83.
II. betrayal, treason, Pl. Lg. 856e.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project