Rigveda 3.4.4
ऊ॒र्ध्वो वां॑ गा॒तुर॑ध्व॒रे अ॑कार्यू॒र्ध्वा शो॒चींषि॒ प्रस्थि॑ता॒ रजां॑सि ।दि॒वो वा॒ नाभा॒ न्य॑सादि॒ होता॑ स्तृणी॒महि॑ दे॒वव्य॑चा॒ वि ब॒र्हिः॥
ūrdhvo vāṃ gāturadhvare akāryūrdhvā śocīṃṣi prasthitā rajāṃsi |divo vā nābhā nyasādi hotā stṛṇīmahi devavyacā vi barhiḥ ||
Our plain-language meaning of this verse is waiting for scholar review.