Shiva Purana
परिधाय द्विराचम्य प्रोक्ष्यैकादशमन्त्रितैः ॥ जलैराच्छाद्य वासो ऽयद्द्विराचम्य शिवं स्मरेत् ॥ ३१ ॥
After dressing herself, she washed herself twice and sprinkled herself with eleven mantras. Cover the clothes with water and wash them twice and remember Lord Śiva.
english translation
paridhAya dvirAcamya prokSyaikAdazamantritaiH ॥ jalairAcchAdya vAso 'yaddvirAcamya zivaM smaret ॥ 31 ॥
hk transliteration by Sanscript