Shiva Purana

siva.sh/siva-purana/uma-samhita/49/2

या गीयते परब्रह्ममूलप्रकृतिरीश्वरी ।। निराकारापि साकारा नित्या नन्दमथी सती ।। २।।

sanskrit

She is sung as the primordial Prakṛti of the supreme Brahman. She is both possessed and devoid of forms. She is of the form of eternal bliss. She is Satī.

english translation

yA gIyate parabrahmamUlaprakRtirIzvarI || nirAkArApi sAkArA nityA nandamathI satI || 2||

hk transliteration by Sanscript