Rigveda 10.121.3

यः प्रा॑ण॒तो नि॑मिष॒तो म॑हि॒त्वैक॒ इद्राजा॒ जग॑तो ब॒भूव॑ ।य ईशे॑ अ॒स्य द्वि॒पद॒श्चतु॑ष्पद॒: कस्मै॑ दे॒वाय॑ ह॒विषा॑ विधेम॥

yaḥ prāṇato nimiṣato mahitvaika idrājā jagato babhūva |ya īśe asya dvipadaścatuṣpada: kasmai devāya haviṣā vidhema ||

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