Comparative evidence

2.bʰeh₂

• OInd. bhan- ‘sound’, ‘speak’ (MW: 745; Whitney 1885: 109)

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.