Comparative evidence

1.h₁eu̯h₁, 1.h₁eu̯h₂, 1.h₁eu̯h₃

• OInd. av- 'favor' (Whitney 1885: 4); 'drive', 'impel', 'animate'; 'promote', 'satisfy', 'refresh'; 'offer' (as a hymn to the gods); 'lead', 'bring' (to); (said of the gods) 'be pleased'  (with), 'like', 'accept favourably' (as sacrifices, prayers or hymns), 'guard', 'defend', 'protect', 'govern' (MW: 96)

References

MW = Monier-Williams, M. 1899. A Sanskrit-English Dictionary. Clarendon Press.
Whitney 1885 = Whitney W. D. 1885. The roots, verb forms and primary derivatives of the Sanskrit language. A supplement to his Sanskrit grammar. Leipzig.