Shiva Purana
प्रज्ञानशब्दश्चैतन्यपर्य्यायस्स्यान्न संशयः ॥ चैतन्यमात्मेति मुने शिवसूत्रं प्रवर्त्तितम् ॥ ४४ ॥
Undoubtedly the word “Prajñānam” is a synonym of consciousness. O sage, there is the aphorism.
english translation
prajJAnazabdazcaitanyaparyyAyassyAnna saMzayaH ॥ caitanyamAtmeti mune zivasUtraM pravarttitam ॥ 44 ॥
hk transliteration by Sanscript