To cleanse — From the dirt it had contracted, while it was so long shut up; from dust, cobwebs, and the rust of the vessels. Much more from the idols, and idolatrous altars which had been set up therein.
Related Commentaries of 2 Chronicles 29:15
2 Chronicles 29:15
15 And they gathered their brethren, and sanctified themselves, and came, according to the commandment of the king, by the wordsb of the LORD, to cleanse the house of the LORD.