Rigveda 5.11.5

तुभ्ये॒दम॑ग्ने॒ मधु॑मत्तमं॒ वच॒स्तुभ्यं॑ मनी॒षा इ॒यम॑स्तु॒ शं हृ॒दे ।त्वां गिर॒: सिन्धु॑मिवा॒वनी॑र्म॒हीरा पृ॑णन्ति॒ शव॑सा व॒र्धय॑न्ति च॥

tubhyedamagne madhumattamaṃ vacastubhyaṃ manīṣā iyamastu śaṃ hṛde |tvāṃ gira: sindhumivāvanīrmahīrā pṛṇanti śavasā vardhayanti ca ||

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