Comparative evidence

1.i̯eu̯

• OInd. yu- 'unite' (Whitney 1885: 131); 'attach', 'harness', 'yoke', 'bind', 'fasten'; 'draw towards one's self', 'take hold', 'gain possession' (of), 'hold fast'; 'push on' (towards); 'confer', 'bestow' (upon); 'worship', 'honour' (MW: 853)

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.