Shiva Purana
रुद्राय नम इत्युक्त्वा पुनराचमनीयकम् ॥ कालाय नम इत्युक्त्वा गन्धन्दद्यात्सुसंस्कृतम् ॥ ७४ ॥
He shall offer water for Ācamana once again saying “Rudrāya Namaḥ” (obeisance to Rudra). He shall offer well consecrated scent saying “Kālāya Namaḥ”.
english translation
rudrAya nama ityuktvA punarAcamanIyakam ॥ kAlAya nama ityuktvA gandhandadyAtsusaMskRtam ॥ 74 ॥
hk transliteration by Sanscript