Comparative evidence

1.deḱ

• OInd. dāś- ‘serve a god’, ‘honor a god’, ‘present’, ‘offer’ (MW: 476; Whitney 1885: 73)

Derivatives

• OInd. dā́ś ‘worship’, ‘veneration’, ‘worshipper’ (MW: 476)

• OInd. -dā́śa ‘servant’, ‘slave’, ‘fisherman’ (MW: 476)

• OInd. dāśú ‘worshipping’, ‘sacrificing’ (MW: 476)

• OInd. dā́śuri ‘making offering’, ‘devout’, ‘pious’ (MW: 476)

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.