Rigveda 1.100.4

सो अङ्गि॑रोभि॒रङ्गि॑रस्तमो भू॒द् वृषा॒ वृष॑भि॒: सखि॑भि॒: सखा॒ सन् ।ऋ॒ग्मिभि॑र्ऋग्मी गा॒तुभि॒र्ज्येष्ठो॑ म॒रुत्वा॑न् नो भव॒त्विन्द्र॑ ऊ॒ती॥

so aṅgirobhiraṅgirastamo bhūd vṛṣā vṛṣabhi: sakhibhi: sakhā san |ṛgmibhirṛgmī gātubhirjyeṣṭho marutvān no bhavatvindra ūtī ||

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