Comparative evidence

h₁u̯erdʰ, h₂u̯erdʰ, h₃u̯erdʰ, h₁u̯eldʰ, h₂u̯eldʰ, h₃u̯eldʰ

• OInd. vr̥dh- 'grow' (Whitney 1885: 164); 'increase', 'augment', 'strengthen', 'cause to prosper'; 'elevate', 'exalt', 'gladden', 'cheer', 'exhilarate'; 'grow up', 'increase', 'be filled', 'be extended', 'become longer', 'become stronger', 'thrive', 'prosper', 'succeed'; 'rise', 'ascend' (as the scale in ordeals); 'be exalted', 'be elevated', 'feel animated', 'feel inspired, 'feel excited', 'become joyful', 'have cause for congratulation' (MW: 1010)

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.