Exodus 29:4 in the King James Version
And Aaron and his sons thou shalt bring unto the door of the tabernacle of the congregation, and shalt wash them with water.
Context
3 You shall put them into one basket, and bring them in the basket, with the bull and the two rams.
4 You shall bring Aaron and his sons to the door of the Tent of Meeting, and shall wash them with water.
5 You shall take the garments, and put on Aaron the tunic, the robe of the ephod, the ephod, and the breastplate, and clothe him with the skillfully woven band of the ephod.