Rigveda 4.48.3
अनु॑ कृ॒ष्णे वसु॑धिती ये॒माते॑ वि॒श्वपे॑शसा ।वाय॒वा च॒न्द्रेण॒ रथे॑न या॒हि सु॒तस्य॑ पी॒तये॑॥
anu kṛṣṇe vasudhitī yemāte viśvapeśasā |vāyavā candreṇa rathena yāhi sutasya pītaye ||
Our plain-language meaning of this verse is waiting for scholar review.