Comparative evidence

h₁i̯aǵ, h₂i̯aǵ, h₃i̯aǵ

• OInd. yaj- 'offer' (Whitney 1885: 129); 'worship', 'adore', 'honour'; 'consecrate', 'hallow'; 'present', 'grant', 'yield', 'bestow'; 'sacrifice'; 'invite to sacrifice by the yājyā verses', 'be sacrificed', 'be worshipped' (MW: 838-839)

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.