He who justly inflicts upon wrongdoers the punishment they deserve.
“Mighty indeed were the plots which they made, but their plots were (well) within the sight of Allah, even though they were such as to shake
the hills! Never think that Allah would fail His Mes- sengers in His promise: for Allah is Exalted in Power, THE LORD OF RETRIBUTION.”
(14:42-47) The Holy Quran
From the root n-q-m which has the following classical Arabic connotations: to dislike, disapprove, find fault to punish, exact vengeance to inflict retribution, avenge.