Rigveda 2.29.4

ह॒ये दे॑वा यू॒यमिदा॒पय॑: स्थ॒ ते मृ॑ळत॒ नाध॑मानाय॒ मह्य॑म् ।मा वो॒ रथो॑ मध्यम॒वाळृ॒ते भू॒न्मा यु॒ष्माव॑त्स्वा॒पिषु॑ श्रमिष्म॥

haye devā yūyamidāpaya: stha te mṛḷata nādhamānāya mahyam |mā vo ratho madhyamavāḷṛte bhūnmā yuṣmāvatsvāpiṣu śramiṣma ||

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