NET

21 The Levites purified themselves and washed their clothing; then Aaron presented them like a wave offering before the Lord, and Aaron made atonement for them to purify them.

Darby

21 And the Levites purified themselves from sin, and they washed their garments; and Aaron offered them as a wave-offering before Jehovah; and Aaron made atonement for them to cleanse them.

KJV

21 And the Levites were purified, and they washed their clothes; and Aaron offered them [as] an offering before the LORD; and Aaron made an atonement for them to cleanse them.

Strong's

21 And the Levites^H3881 were purified^H2398, and they washed^H3526 their clothes^H899; and Aaron^H175 offered^H5130 them as an offering^H8573 before^H6440 the LORD^H3068; and Aaron^H175 made an atonement^H3722 for them to cleanse^H2891 them.