πρόδομα

A. that which is given in advance, prepayment, advance of money, PCair.Zen. 269 (iii B.C.), Plb. 29.8.8, 15.25.16(pl.), JHS 11.122(Ceramus), PTeb. 42.15 (ii B.C.), Hdn.Gr.2.935, Hsch. s.v. ἀρραβών.