Rigveda 4.7.10

स॒द्यो जा॒तस्य॒ ददृ॑शान॒मोजो॒ यद॑स्य॒ वातो॑ अनु॒वाति॑ शो॒चिः ।वृ॒णक्ति॑ ति॒ग्माम॑त॒सेषु॑ जि॒ह्वां स्थि॒रा चि॒दन्ना॑ दयते॒ वि जम्भै॑:॥

sadyo jātasya dadṛśānamojo yadasya vāto anuvāti śociḥ |vṛṇakti tigmāmataseṣu jihvāṃ sthirā cidannā dayate vi jambhai: ||

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