Shiva Purana
अन्यां मृदम्भागयित्वा शिरसि द्वादश क्रमात् ॥ आलिप्य मृदमास्यान्तनिमज्य च पुनः पुनः ॥ १३ ॥
Another lump of clay shall be divided into twelve and applied over the beard. He shall then plunge into the water again.
english translation
anyAM mRdambhAgayitvA zirasi dvAdaza kramAt ॥ Alipya mRdamAsyAntanimajya ca punaH punaH ॥ 13 ॥
hk transliteration by Sanscript