Comparative evidence

1.h₂eu̯g

• Lat. augustus -a, -um ‘solemn’, ‘venerable’, ‘worthy of honour’, ‘dignified’ (OLD: 214)

• Lat. augeō -ēre ‘increase’, ‘enlarge’, ‘swell’, ‘raise’, ’strengthen’, ‘enhance’, ‘intensify’ (OLD: 212-213)

References

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