Shiva Purana
तत उद्वासयेत्प्रीत्या पूर्वतो मुनिसत्तम ॥ स्थलं विशोध्य गंडूषाचमनार्घ्याणि दापयेत् ॥ २४ ॥
O excellent sage, thereafter the rite of Udvāsana shall be performed with devotion. The place shall be mopped clean beginning with the cast. Then water for gargling and Ācamana shall be offered with Arghya.
english translation
tata udvAsayetprItyA pUrvato munisattama ॥ sthalaM vizodhya gaMDUSAcamanArghyANi dApayet ॥ 24 ॥
hk transliteration by Sanscript