Comparative evidence

h₂seu̯s

• OInd. śuṣ- 'dry' (Whitney 1885: 175); 'become dry', 'become withered', 'fade', 'languish', 'decay' (MW: 1084)

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.