Rigveda 9.86.21

अ॒यं पु॑ना॒न उ॒षसो॒ वि रो॑चयद॒यं सिन्धु॑भ्यो अभवदु लोक॒कृत् ।अ॒यं त्रिः स॒प्त दु॑दुहा॒न आ॒शिरं॒ सोमो॑ हृ॒दे प॑वते॒ चारु॑ मत्स॒रः॥

ayaṃ punāna uṣaso vi rocayadayaṃ sindhubhyo abhavadu lokakṛt |ayaṃ triḥ sapta duduhāna āśiraṃ somo hṛde pavate cāru matsaraḥ ||

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