Exodus 40:31

31 so that Moshe and Aharon and his sons could wash their hands and 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 The altar for burnt offerings he placed at the entrance to the tabernacle, the tent of meeting, and offered on it the burnt offering and the grain offering, as ADONAI had ordered Moshe.

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

31 so that Moshe and Aharon and his sons could wash their hands and feet there -

32 so that they could wash when entering the tent of meeting and when approaching the altar, as ADONAI had ordered Moshe.

33 Finally, he erected the courtyard around the tabernacle and the altar and set up the screen for the entrance to the courtyard.