Rigveda 3.45.2
वृ॒त्र॒खा॒दो व॑लंरु॒जः पु॒रां द॒र्मो अ॒पाम॒जः ।स्थाता॒ रथ॑स्य॒ हर्यो॑रभिस्व॒र इन्द्रो॑ दृ॒ळहा चि॑दारु॒जः॥
vṛtrakhādo valaṃrujaḥ purāṃ darmo apāmajaḥ |sthātā rathasya haryorabhisvara indro dṛḷahā cidārujaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.