Numbers 8:9-11

Young's Literal Translation

⁹ and thou hast brought near the Levites before the tent of meeting, and thou hast assembled the whole company of the sons of Israel,

¹⁰ and thou hast brought near the Levites before Jehovah, and the sons of Israel have laid their hands on the Levites,

¹¹ and Aaron hath waved the Levites -- a wave-offering before Jehovah, from the sons of Israel, and they have been -- for doing the service of Jehovah.