Comparative evidence

ḱneth₂

• OInd. śnath- 'pierce' (Whitney 1885: 177); 'strike', 'injure' (MW: 1094)

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.