bright. gleaming.
glittering. flashing.
they: i.e. the slayers. Hebrew text margin, with some codices, and four early printed editions, reads "so that they stumble", &c.
upon. over.
Related Commentaries of Nahum 3:3
Nahum 3:3
3 The horseman lifteth up both the brightb sword and the glittering spear: and there is a multitude of slain, and a great number of carcases; and there is none end of their corpses; they stumble upon their corpses: