Rigveda 7.1.6
उप॒ यमेति॑ युव॒तिः सु॒दक्षं॑ दो॒षा वस्तो॑र्ह॒विष्म॑ती घृ॒ताची॑ ।उप॒ स्वैन॑म॒रम॑तिर्वसू॒युः॥
upa yameti yuvatiḥ sudakṣaṃ doṣā vastorhaviṣmatī ghṛtācī |upa svainamaramatirvasūyuḥ ||
Our plain-language meaning of this verse is waiting for scholar review.