Comparative evidence

ǵʰers

• OInd. hr̥ṣ- 'be excited' (Whitney 1885: 208); 'be impatient', 'rejoice', 'be anxious'; 'speak falsely', 'lie'; 'rejoice', 'exult', 'be glad'; 'become sexually excited'; 'become erect', 'become rigid', 'bristle' (said of the hairs of the body), 'become on edge' (like the teeth)(MW: 1303)

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.