Rigveda 10.129.6

को अ॒द्धा वे॑द॒ क इ॒ह प्र वो॑च॒त्कुत॒ आजा॑ता॒ कुत॑ इ॒यं विसृ॑ष्टिः ।अ॒र्वाग्दे॒वा अ॒स्य वि॒सर्ज॑ने॒नाऽथा॒ को वे॑द॒ यत॑ आब॒भूव॑॥

ko addhā veda ka iha pra vocatkuta ājātā kuta iyaṃ visṛṣṭiḥ |arvāgdevā asya visarjanenā'thā ko veda yata ābabhūva ||

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