Rigveda 1.4.10

यो रा॒यो॒३ऽवनि॑र्म॒हान्त्सु॑पा॒रः सु॑न्व॒तः सखा॑।तस्मा॒ इन्द्रा॑य गायत॥

yo rāyo3'vanirmahāntsupāraḥ sunvataḥ sakhā |tasmā indrāya gāyata ||

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