Exodus 40:31

31 Moses, Aaron, and his sons washed their hands and feet from it.

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 Then he placed the altar of burnt offering at the entrance to the tabernacle, the tent of meeting, and offered the burnt offering and the grain offering on it, just as the Lord had commanded him.

30 He set the basin between the tent of meeting and the altar and put water in it for washing.

31 Moses, Aaron, and his sons washed their hands and feet from it.

32 They washed whenever they came to the tent of meeting and approached the altar, just as the Lord had commanded Moses.

33 Next Moses set up the surrounding courtyard for the tabernacle and the altar and hung a screen for the gate of the courtyard. So Moses finished the work.