Comparative evidence

h₁ei̯

• OInd. i-/ī-/ay- 'go' (Whitney 1885: 7); 'walk'; 'flow'; 'blow'; 'advance', 'spread', 'get about'; 'go away', 'escape', 'pass', 'retire'; 'arise' (from), 'come' (from); 'return' (in this sense only fut.); 'succeed'; 'arrive' (at), 'reach', 'obtain'; 'fall' (into), 'come' (to); 'approach' (with prayers), 'gain' (by asking); 'undertake'; 'be employed' (in), 'go on' (with); 'appear', 'be'; 'wander', 'run', 'spread', 'get about' (MW: 163)

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.