Exodus 40:31

31 Moses and Aaron and his sons used it to wash their hands and feet.

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 He set the altar for burnt offerings near the entrance to the holy tent, the Tent of Meeting. He sacrificed burnt offerings and grain offerings on it. Moses did it as the LORD had commanded him.

30 He placed the large bowl between the Tent of Meeting and the altar. He put water in the bowl for washing.

31 Moses and Aaron and his sons used it to wash their hands and feet.

32 They washed when they entered the Tent of Meeting or approached the altar. They did it as the LORD had commanded Moses.

33 Then Moses set up the courtyard around the holy tent and altar. He put up the curtain at the entrance to the courtyard. And so Moses completed the work.