Comparative evidence

spi̯eu̯h₁, spi̯eu̯h₂, spi̯eu̯h₃, spi̯eu̯h₁, spti̯eu̯h₂, spti̯eu̯h₃

• Lat. spuō -ere ‘spit’, ‘eject saliva’ (OLD: 1811)

References

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