τραπεζιτεύω
From LSJ
Ὅτι οὐδὲν ἧττον τὰ αὐτὰ ποιήσουσι, κἂν σὺ διαρραγῇς → You may break your heart, but men will still go on as before
English (LSJ)
A to be engaged in banking, D.36.29, 45.32, BCH36.210 (Delos, ii B. C.).
German (Pape)
[Seite 1134] ein τραπεζίτης sein, Dem. 36, 29 u. Sp.