Rigveda 7.2.6
उ॒त योष॑णे दि॒व्ये म॒ही न॑ उ॒षासा॒नक्ता॑ सु॒दुघे॑व धे॒नुः ।ब॒र्हि॒षदा॑ पुरुहू॒ते म॒घोनी॒ आ य॒ज्ञिये॑ सुवि॒ताय॑ श्रयेताम्॥
uta yoṣaṇe divye mahī na uṣāsānaktā sudugheva dhenuḥ |barhiṣadā puruhūte maghonī ā yajñiye suvitāya śrayetām ||
Our plain-language meaning of this verse is waiting for scholar review.