Shiva Purana
नामाष्टकमिदं मुख्यं शिवस्य प्रतिपादकम् ॥ आद्यन्तु पञ्चकं ज्ञेयं शान्त्यतीताद्यनुक्रमात् ॥ २४ ॥
This eightfold name is the chief expression of Lord Śiva. The first five should be understood in order of peace, past and present.
english translation
nAmASTakamidaM mukhyaM zivasya pratipAdakam ॥ Adyantu paJcakaM jJeyaM zAntyatItAdyanukramAt ॥ 24 ॥
hk transliteration by Sanscript