Comparative evidence

geǵʰ, gʷeǵʰ

• OInd. gāh- 'plunge' (Whitney 1885: 36); 'dive' (into), 'bathe' (in), 'penetrate', 'enter deeply' (into), 'be a match' (for); 'roam', 'range', 'rove'; 'be absorbed' (in) (MW: 354)

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.