'Cleansed' in the Bible

And they come in within unto Hezekiah the king, and say, 'We have cleansed all the house of Jehovah, and the altar of the burnt-offering, and all its vessels, and the table of the arrangement, and all its vessels,

for a multitude of the people, many from Ephraim and Manasseh, Issachar, and Zebulun, have not been cleansed, but have eaten the passover otherwise than it is written; but Hezekiah prayed for them, saying, 'Jehovah, who is good, doth receive atonement for every one