Comparative evidence

h₂engʷ, h₃engʷ

• Lat. unguō -ere ‘to grease’, ‘smear with oil’, ‘anoint’, ‘rub’ (OLD: 2093)

• Lat. unguen -ntis, n. fat’, ‘grease’ (OLD: 2092)

References

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