"And saidª° unto them, Hearª° me, ye Levites,ªsanctify²° now yourselves,¹¹ and sanctifyª°¹ the houseª of the LORDª Godª of your fathers,ª and carry forthª°¹ the filthinessª out of¹ the holyª [place]." {2Ch 29:5}
by the words of the LORD[YHWH]:
or, in the business of the Lord, "Also¹ in Judahªthe handª of Godª was¹ to giveª° them oneª heartª to doª°the commandmentª of the kingª and of the princes,ªby the wordª of the LORD.ª" {2Ch 30:12}
to cleanse:
"Because¹ their officeª [was] to wait² on¹ the sonsª of Aaronªfor the serviceª of the houseª of the LORD,ª in¹ the courts,ª and in¹ the chambers,ª and in¹ the purifyingª of all¹ holy things,ª and the workª of the serviceª of the houseª of God;ª" {1Ch 23:28}