Possible Clues:

• Ritual cleansing
• Boil tuna after mincing and washing
• Sailor at airport keeps one from cleansing
• Ceremonial washing of hands
• The way to boil a nut to get it washed
• This will do the work of a washer - O, but nail it
• The work a washer does
• Forgiveness granted without so ritual a wash
• Washing? Add an oil to tub then spin
• About nil (anag.)