Shiva Purana
अद्भिर्दशगुणाभिस्तु बाह्यतोण्डं समावृतम् ॥ आपो दशगुणेनैव तेजसा बहिरावृताः ॥ ३३ ॥
The egg is enveloped with waters ten times bigger than it. The waters are enveloped by Tejas ten times bigger.
english translation
adbhirdazaguNAbhistu bAhyatoNDaM samAvRtam ॥ Apo dazaguNenaiva tejasA bahirAvRtAH ॥ 33 ॥
hk transliteration by Sanscript