Rigveda 8.64.9

कं ते॑ दा॒ना अ॑सक्षत॒ वृत्र॑ह॒न्कं सु॒वीर्या॑ ।उ॒क्थे क उ॑ स्वि॒दन्त॑मः॥

kaṃ te dānā asakṣata vṛtrahankaṃ suvīryā |ukthe ka u svidantamaḥ ||

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