Comparative evidence

1.gʰer, 1.gʷʰer

• OInd. ghṛ-/ghar- 'drip' (Whitney 1885: 43); 'besprinkle', 'wet', 'moisten' (MW: 378)

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.