launder
verb
[ ˈlɔːndə ]
• wash and iron (clothes or linen).
• "he wasn't used to laundering his own bed linen"
• conceal the origins of (money obtained illegally), typically by transfers involving foreign banks or legitimate businesses.
• "$123,000 had been laundered through Geneva bank accounts"
launder
noun
• a trough for holding or conveying water, especially (in mining) one used for washing ore.
Origin:
Middle English (as a noun denoting a person who washes linen): contraction of lavender, from Old French lavandier, based on Latin lavanda ‘things to be washed’, from lavare ‘to wash’.