Exodus 40:31

31 Moses, Aaron, and his sons washed their hands and their feet there

Exodus 40:31 Meaning and Commentary

Exodus 40:31

And Moses, and Aaron, and his sons, washed their hands and
their feet thereat.
] This laver was for the priests, and Moses, officiating as a priest, washed in it, with Aaron, and his sons, whom he was now about to consecrate to the priest's office, and invest with it by offering sacrifice for them; Jarchi says this was on the eighth day of the consecration.

Exodus 40:31 In-Context

29 and there in front of the curtain he placed the altar for burning offerings. On it he sacrificed the burnt offering and the grain offering, just as the Lord had commanded.

30 He put the washbasin between the Tent and the altar and filled it with water.

31 Moses, Aaron, and his sons washed their hands and their feet there

32 whenever they went into the Tent or to the altar, just as the Lord had commanded.

33 Moses set up the enclosure around the Tent and the altar and hung the curtain at the entrance of the enclosure. So he finished all the work.