from נָסַךְ; properly, a pouring over, i.e. fusion of metal (especially a cast image); by implication, a libation, i.e. league; concretely a coverlet (as if poured out); covering, molten (image), vail.
a primitive root; to trouble; by implication, to grieve, rage, be indignant; be angry, be grieved, take indignation, provoke (to anger, unto wrath), have sorrow, vex, be wroth.