'Sharpened' in the Bible

If I have sharpened my gleaming sword, And my hand take hold of judgment, I will render vengeance to mine adversaries, And will recompense them that hate me.

And all Israel went down to the Philistines, every man to get his ploughshare, and his hoe, and his axe, and his sickle sharpened,

Who have sharpened their tongue like a sword, and have aimed their arrow, a bitter word;

Iron is sharpened by iron; so a man sharpeneth the countenance of his friend.

Son of man, prophesy, and say, Thus saith Jehovah: Say, A sword, a sword is sharpened, and also furbished.

It is sharpened for sore slaughter, it is furbished that it may glitter. Shall we then make mirth, saying, The sceptre of my son contemneth all wood?

And he hath given it to be furbished that it may be handled. The sword, it is sharpened, and it is furbished to give it into the hand of the slayer.