Comparative evidence

1.dʰer

• OInd. dhr̥- 'hold', 'bear', 'bring forth', 'carry', 'maintain', 'preserve', 'keep', 'possess', 'have', 'use', 'employ', 'practise', 'undergo', 'hold down', 'restrain', 'suppress', 'resist' (MW: 519; Whitney 1885: 84)

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.