ישעיהו ט:ז פירוש: רש״י ואבן עזרא

The Lord has sent a word against Jacob [i.e.,] the prophecy that he prophesied concerning the punishment of Pekah son of Remaliah.

A word. A prophecy or Divine decree.¹³גזרה is, according to I. E., the divine decree, as it commences already to operate; the first natural causes of the events to which the decree refers.

and it has fallen in Israel From now, it will be fulfilled concerning them.