Rigveda 3.2.9
ति॒स्रो य॒ह्वस्य॑ स॒मिध॒: परि॑ज्मनो॒ऽग्नेर॑पुनन्नु॒शिजो॒ अमृ॑त्यवः ।तासा॒मेका॒मद॑धु॒र्मर्त्ये॒ भुज॑मु लो॒कमु॒ द्वे उप॑ जा॒मिमी॑यतुः॥
tisro yahvasya samidha: parijmano'gnerapunannuśijo amṛtyavaḥ |tāsāmekāmadadhurmartye bhujamu lokamu dve upa jāmimīyatuḥ ||
Our plain-language meaning of this verse is waiting for scholar review.