RobH_en_tn/2ch/29/15.md

following the words of Yahweh

This phrase shows that the king gave his command in obedience to the word of Yahweh. Alternate translation: "in obedience to the word of Yahweh" or "because of what Yahweh had said"

to cleanse the house of Yahweh

A place that is fit to be used for God's purposes is spoken of as if it were physically clean. (See: rc://en/ta/man/translate/figs-metaphor)

the house of Yahweh ... the courtyard of the house

Here the word "house" represents the temple. Alternate translation: "the temple of Yahweh ... the courtyard of the temple" (See: rc://en/ta/man/translate/figs-metonymy)