Comparative evidence

dʰei̯ǵʰ

• OInd. dih- 'anoint', 'smear', 'plaster', 'increase', 'accumulate' (MW: 480, Whitney 1885: 73)

• OInd. dhīkṣ des. 'wish to anoint' (MW: 517)

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.