Shiva Purana
किं तत्प्रथमसंभूतं केनेदमखिलं ततम् ॥ केना वा पुनरेवेदं ग्रस्यते पृथुकुक्षिणा ॥ २ ॥
What is it that came into being at the outset? By what are all these pervaded? By which being of huge belly is this swallowed?
english translation
kiM tatprathamasaMbhUtaM kenedamakhilaM tatam ॥ kenA vA punarevedaM grasyate pRthukukSiNA ॥ 2 ॥
hk transliteration by Sanscript