Rigveda 2.17.4

अधा॒ यो विश्वा॒ भुव॑ना॒भि म॒ज्मने॑शान॒कृत् प्रव॑या अ॒भ्यव॑र्धत ।आद् रोद॑सी॒ ज्योति॑षा॒ वह्नि॒रात॑नो॒त् सीव्य॒न् तमां॑सि॒ दुधि॑ता॒ सम॑व्ययत्॥

adhā yo viśvā bhuvanābhi majmaneśānakṛt pravayā abhyavardhata |ād rodasī jyotiṣā vahnirātanot sīvyan tamāṃsi dudhitā samavyayat ||

Our plain-language meaning of this verse is waiting for scholar review.