Rigveda 8.3.3

इ॒मा उ॑ त्वा पुरूवसो॒ गिरो॑ वर्धन्तु॒ या मम॑ ।पा॒व॒कव॑र्णा॒: शुच॑यो विप॒श्चितो॒ऽभि स्तोमै॑रनूषत॥

imā u tvā purūvaso giro vardhantu yā mama |pāvakavarṇā: śucayo vipaścito'bhi stomairanūṣata ||

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