Rigveda 2.10.5

आ वि॒श्वत॑: प्र॒त्यञ्चं॑ जिघर्म्यर॒क्षसा॒ मन॑सा॒ तज्जु॑षेत ।मर्य॑श्रीः स्पृह॒यद्व॑र्णो अ॒ग्निर्नाभि॒मृशे॑ त॒न्वा॒३ जर्भु॑राणः॥

ā viśvata: pratyañcaṃ jigharmyarakṣasā manasā tajjuṣeta |maryaśrīḥ spṛhayadvarṇo agnirnābhimṛśe tanvā3 jarbhurāṇaḥ ||

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