Comparative evidence

2.kert, 2.kʷert

• OInd. cṛt- 'bind' (Whitney 1885: 48); 'tie' (MW: 401)

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.