'Clean' in the Bible

And the priests and the Levites made themselves clean; and they made the people clean, and the doorways and the wall.

And they kept the watch of their God, and were responsible for making things clean, and so did the music-makers and the door-keepers, as it was ordered by David and Solomon his son.

Then I gave orders, and they made the rooms clean: and I put back in them the vessels of the house of God, with the meal offerings and the perfume.

And I gave the Levites orders to make themselves clean and come and keep the doors and make the Sabbath holy. Keep this in mind to my credit, O my God, and have mercy on me, for great is your mercy.

So I made them clean from all strange people, and had regular watches fixed for the priests and for the Levites, everyone in his work;