Vine's Expository Dictionary: View Entry
TDNT Reference: 3:484,391
κακόω kakóō, kak-o'-o; from G2556; to injure; figuratively, to exasperate:—make evil affected, entreat evil, harm, hurt, vex.
The KJV translates Strong's G2559 in the following manner: entreat evil (2x), make evil affected (1x), vex (1x), hurt (1x), harm (1x).
to oppress, afflict, harm, maltreat
to embitter, render evil affected
Strong's Number G2559 matches the Greek κακόω (kakoō),
which occurs 6 times in 6 verses
in the TR Greek.