διεπραγματεύσαντο. [1-verse]( verb 3rd pl aor ind mp) "Had gained from trading" is diapragmateuomai, which means to "discuss", "examine thoroughly", and "accomplish". (prep) From dia which means "through"  "by (causal)", "among," and "between and pragmateuomai, which means to "busy oneself", "take trouble", "to be engaged in business".  -- "Had gained from trading" is from a unique verb that means to "discuss", "examine thoroughly", and "accomplish". This is actually a "combination" word made from a prefix that means "through"  "by (causal)", "among," and "between and  a verb that appeared in Luke 19:13 which means to "busy oneself", "take trouble", "to be engaged in business".