Comparative evidence

geu̯h₂

• OInd. gu- 'sound' (Whitney 1885: 36); 'proclaim', 'shout with joy' (MW: 356)

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.