Comparative evidence

h₂enk, h₂eng

• OInd. ac-/añc- 'bend' (Whitney 1885: 1); 'go', 'move', 'tend'; 'honour'; 'make round', 'make curved'; 'request', 'ask'; 'speak indistinctly' (MW: 8)

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.