Rigveda 9.107.8
सोम॑ उ षुवा॒णः सो॒तृभि॒रधि॒ ष्णुभि॒रवी॑नाम् ।अश्व॑येव ह॒रिता॑ याति॒ धार॑या म॒न्द्रया॑ याति॒ धार॑या॥
soma u ṣuvāṇaḥ sotṛbhiradhi ṣṇubhiravīnām |aśvayeva haritā yāti dhārayā mandrayā yāti dhārayā ||
Our plain-language meaning of this verse is waiting for scholar review.