χρυσίον
ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
English (LSJ)
τό, Dim. of χρυσός,
A a piece of gold, generally, gold, Hdt. 3.95,97, Pl.Euthd.288e, R.336e, al. 2 anything made of gold, gold plate, ornaments of gold, etc., ἄσημον Th.2.13: pl., D.27.10, 48.55, Men.Sam.167, 1 Ep.Pet.3.3, Plu.Tim.15. 3 esp. gold coin, money, E. Cyc.161; οὔτ' ἀργύριον οὔτε χρυσίον Ar.Eq.472, cf. Pl.808, Ra.720 (troch.), etc.; χ. Ἀττικόν IG22.1687.16; λῆρος πάντα πρὸς τὸ χ. Antiph.232.1; ἐγὼ δ' ὑπέλαβον χρησίμους εἶναι θεοὺς τἀργύριον καὶ τὸ χ. Men.537.4 : but στατῆρας χρυσίου Eup.112; χρυσία pieces of gold, Pl.R.336e. 4 gold thread, Hp.Art.32. II as a term of endearment, my little treasure! Ar.Lys.930, cf. Ap11.232 (Callias Arg.). 2 = τὸ τῶν παιδίων αἰδοῖον, Hsch.