Exodus 40:31

31 And Moses and Aaron and his sons washed their hands and their feet thereat;

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 he set the altar of burnt-offering at the door of the tabernacle of the tent of meeting, and offered upon it the burnt-offering and the meal-offering; as Jehovah commanded Moses.

30 And he set the laver between the tent of meeting and the altar, and put water therein, wherewith to wash.

31 And Moses and Aaron and his sons washed their hands and their feet thereat;

32 when they went into the tent of meeting, and when they came near unto the altar, they washed; as Jehovah commanded Moses.

33 And he reared up the court round about the tabernacle and the altar, and set up the screen of the gate of the court. So Moses finished the work.