ישעיהו לז:לח פירוש: רש״י

the temple of Nisroch A board (נֶסֶר) from Noah’s ark, as is related in the Aggadah of Chelek (San. 96a).

slew him by the sword for he said, “If you save me that my subjects do not kill me for I brought their sons here (sic) and they died, I will sacrifice my two sons before you.” They rose and slew him.