Abbott-Smith Manual Greek Lexicon
δια-πραγματεύομαι (G1281)
1 * δια-πραγματεύομαι , “perfective compound” (v. M, Pr. , 118); to examine thoroughly (Plat.). In late writers (Dion. Hal.), to gain by trading : Lk 19:15 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain