Shiva Purana

siva.sh/siva-purana/saturda-samhita/8/33

इत्युदीरितमाकर्ण्य प्रणवः सर्वगस्तयोः ।। अमूर्तो मूर्तिमान्प्रीत्या जृम्भमाण उवाच तौ ।। ३३ ।।

sanskrit

On hearing their words, the all-pervasive Praṇava who though unembodied assumed an embodied, extensive form told them thus.

english translation

ityudIritamAkarNya praNavaH sarvagastayoH || amUrto mUrtimAnprItyA jRmbhamANa uvAca tau || 33 ||

hk transliteration by Sanscript