Rigveda 2.21.4

अ॒ना॒नु॒दो वृ॑ष॒भो दोध॑तो व॒धो ग॑म्भी॒र ऋ॒ष्वो अस॑मष्टकाव्यः ।र॒ध्र॒चो॒दः श्नथ॑नो वीळि॒तस्पृ॒थुरिन्द्र॑: सुय॒ज्ञ उ॒षस॒: स्व॑र्जनत्॥

anānudo vṛṣabho dodhato vadho gambhīra ṛṣvo asamaṣṭakāvyaḥ |radhracodaḥ śnathano vīḷitaspṛthurindra: suyajña uṣasa: svarjanat ||

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