Rigveda 9.86.10

ज्योति॑र्य॒ज्ञस्य॑ पवते॒ मधु॑ प्रि॒यं पि॒ता दे॒वानां॑ जनि॒ता वि॒भूव॑सुः ।दधा॑ति॒ रत्नं॑ स्व॒धयो॑रपी॒च्यं॑ म॒दिन्त॑मो मत्स॒र इ॑न्द्रि॒यो रस॑:॥

jyotiryajñasya pavate madhu priyaṃ pitā devānāṃ janitā vibhūvasuḥ |dadhāti ratnaṃ svadhayorapīcyaṃ madintamo matsara indriyo rasa: ||

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