Rigveda 10.66.6

वृषा॑ य॒ज्ञो वृष॑णः सन्तु य॒ज्ञिया॒ वृष॑णो दे॒वा वृष॑णो हवि॒ष्कृत॑: ।वृष॑णा॒ द्यावा॑पृथि॒वी ऋ॒ताव॑री॒ वृषा॑ प॒र्जन्यो॒ वृष॑णो वृष॒स्तुभ॑:॥

vṛṣā yajño vṛṣaṇaḥ santu yajñiyā vṛṣaṇo devā vṛṣaṇo haviṣkṛta: |vṛṣaṇā dyāvāpṛthivī ṛtāvarī vṛṣā parjanyo vṛṣaṇo vṛṣastubha: ||

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