Atharvaveda 20.35.15

20.35.15

asmā́ íd u tyád ánu dāyy eṣām éko yád vavné bhū́rer ī́śānaḥ |
práitaśaṃ sū́rye paspr̥dhānáṃ sáuvaśvye súṣvim āvad índraḥ ||15||

Now unto him of these things hath been given what he, who rules alone o'er much, electeth. Indra helped Etasa, the Soma presser, contending in the chariot- race with Sūrya.