3538. nipto -- to wash
... wash. To cleanse (especially the hands or the feet or the face); ceremonially,
to perform ablution -- wash. Compare louo. see GREEK louo. ...
/greek/3538.htm - 7kExodus 30:18-21
You shall also make a laver of brass, and his foot also of brass, to wash with: and you shall put it between the tabernacle of the congregation and the altar, and you shall put water therein.
Nave's Topical Index—AKJV

Exodus 40:30-32
And he set the laver between the tent of the congregation and the altar, and put water there, to wash with.
Nave's Topical Index—AKJV