Parallel
Numbers 8:11
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And Aaron shall offer (note: Heb. wave) the Levites before the Lord for an offering (note: Heb. wave offering) of the children of Israel, that they may execute (note: Heb. they may be to execute, etc.) the service of the Lord.
Aaron is to present the Levites before the LORD as a wave offering from the sons of Israel, so that they may perform the service of the LORD.