Comparative evidence

2.dʰreu̯

• Lat. frūstra adv. ‘to no purpose’, ‘in vain’, ‘needlessly’ (OLD: 740)

• Lat. fraus -dis, f. ‘detriment’, ‘liability to punishment’, ‘wrongdoing’, ‘deceit’, ‘fraud’ (OLD: 732)

References

OLD = Glare, P. G. W. 1968. Oxford Latin Dictionary. Oxford: Clarendon Press.