Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Celtic *glanos

→ English glean (derived)
→ Breton glan (inherited)
→ Welsh glân (inherited)
→ French glaner (derived)
→ Irish glan (inherited)
→ Scottish Gaelic glan (inherited)
→ Manx glen (inherited)
→ Old Irish glan (inherited)