שמואל ב ה:כד פירוש: רש״י

The sound of stepping on the tops of the trees. These are angels stepping on the tops of the trees that I am sending to help you.

Then shout [war whoops]. Lift up [and bring forth] the sound of war and the fear of the sword Galfer in Old French, and similarly [we find] "A dog will not sharpen its tongue [growl].