ἐπιμίσγειν
From LSJ
ῥίζα γὰρ πάντων τῶν κακῶν ἐστιν ἡ φιλαργυρία → root of all the evils is the love of money, for every possible kind of evil can be motivated by the love of money
commercium habere, commeare, to have commerce with, traffic, 1.13.5,
MED. idem, the same 4.118.4, 4.118.4