ἔγκοιλαίνω

From LSJ

ἄδικον ἦν πλοῦτον ἔχειν παρὰ νόμον → it is unjust to have money against the law

Source

Russian (Dvoretsky)

ἔγκοιλαίνω: выдалбливать (τὸ ᾠόν Her.).