[διαπραγματεύομαι] from G1223 and G4231; to thoroughly occupy oneself, i.e. (transitively and by implication) to earn in business
Usages throughout the bible
Luke 19:15
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And it came to pass, that when he was returned, having received the kingdom, then he commanded these servants to be called unto him, to whom he had given the money, that he might know how much every man had gained by trading. G1281