'Polished' in the Bible

“Son of man, prophesy and say, ‘Thus says the Lord.’ Say,‘A sword, a sword [from Babylon] is sharpenedAnd also polished!

‘It is sharpened to make a slaughter,Polished to flash and glimmer like lightning!’Shall we then rejoice [when such a disaster approaches]? But it rejects and views with contempt the scepter of My son [Judah].

The sword [of Babylon] is ready to be polished so that it may be handled and put to use; the sword is sharpened and polished to be put in the hand of the slayer (Nebuchadnezzar).

“And you, son of man, prophesy and say, ‘Thus says the Lord God concerning the sons of Ammon and concerning their reproach (disgrace),’ and say: ‘A sword, a sword is drawn for the slaughter; it is sharpened and polished to put an end [to everything], and to flash like lightning,