Shiva Purana

siva.sh/siva-purana/saturda-samhita/15/31

संस्नाप्य वाससा पूतः पूतात्मा प्रत्यहं शिवम् ।। नीलोत्पलमयीम्मालां समर्पयति सोऽन्वहम् ।। ३१ ।।

sanskrit

He took a bath and purified himself with his clothes and purified himself every day in the auspicious place. He offers her a garland of blue lotuses every day.

english translation

saMsnApya vAsasA pUtaH pUtAtmA pratyahaM zivam || nIlotpalamayImmAlAM samarpayati so'nvaham || 31 ||

hk transliteration by Sanscript