Rigveda 8.13.22
क॒दा त॑ इन्द्र गिर्वणः स्तो॒ता भ॑वाति॒ शंत॑मः ।क॒दा नो॒ गव्ये॒ अश्व्ये॒ वसौ॑ दधः॥
kadā ta indra girvaṇaḥ stotā bhavāti śaṃtamaḥ |kadā no gavye aśvye vasau dadhaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.