'Polished' in the Bible

Which sends ambassadors by the sea,Even in vessels of papyrus on the surface of the waters.Go, swift messengers, to a nation [of people] tall and smooth (clean shaven),To a people feared far and wide,A powerful and oppressive nationWhose land the rivers divide.

At that time a gift of homage will be brought to the Lord of hostsFrom a people tall and smooth (clean shaven),From a people feared far and wide,A powerful and oppressive nation,Whose land the rivers divide—To the place [of worship] of the name of the Lord of hosts, to Mount Zion [in Jerusalem].

He has made My mouth like a sharp sword,In the shadow of His hand He has kept Me hidden;And He has made Me a sharpened arrow,In His quiver He has hidden Me.

“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,